You searched for subject:(fuel economy).
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Clemson University
1.
Kuru, Ali.
Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey.
Degree: PhD, Economics, 2017, Clemson University
URL: https://tigerprints.clemson.edu/all_dissertations/2057 
► In this study, I estimate consumer valuation of reducing the adverse impact on the environment of car's operation and saving on fuel expenses from improved…
(more)
▼ In this study, I estimate consumer valuation of reducing the adverse impact on the environment of car's operation and saving on
fuel expenses from improved
fuel economy. To estimate these valuations, I use a hedonic model of new passenger cars sold in Turkey from June to December 2015. The estimated implicit value of improved
fuel economy is then compared to the present discounted value of the associated
fuel-cost savings expected throughout the vehicle's economic life. The results indicate that the consumer valuation of improved
fuel economy is less than the present discounted value of associated
fuel-cost savings, implying that imposing standards on
fuel economy in the country may be more effective for addressing the concerns about the environmental consequences of
fuel use by leading people to buy more
fuel-efficient cars. Given that an improvement in
fuel economy might be correlated with reductions in tailpipe emissions, I collect information on various attributes that might indicate a reduction in an adverse environmental impact of a car's operation in order to disentangle the consumer valuation of improved
fuel economy from the consumer valuation of reducing the adverse environmental impacts of their cars. Results indicate that the model which additionally accounts for the attributes that might indicate reductions in adverse environmental impacts of car's operation fits the data statistically significantly better. In addition, the estimated consumer valuation of improved
fuel economy significantly declined in absolute value after including those attributes in the model. This suggests that not accounting for the consumer valuation of reducing the adverse environmental impact of their vehicles in the empirical model might upward bias the estimation of the consumer valuation of improved
fuel economy. Results also indicate that consumers might significantly value reducing adverse environmental impacts of tailpipe emissions except NOx from their vehicles. Given that relatively more information is provided about CO2 emissions than NOx, this result might suggest that policymakers need to provide more information about NOx emissions to car buyers. In addition, the results also indicate that consumers respond significantly differently to a change in
fuel prices from how they respond to a change in
fuel consumptiveness"”the reciprocal of
fuel economy"”of a vehicle for a given change in the
fuel cost of driving a certain distance. A preliminary analysis about how changes in
fuel prices and characteristics of production facilities shift the consumer's bid function and producer's offer function is also briefly discussed. Tracing such shifts might be used in the second-stage of the hedonic model to determine the demand and supply functions of
fuel economy in the future research.
Advisors/Committee Members: Dr. Scott R. Templeton, Committee Chair, Dr. Molly Espey, Dr. Matthew S. Lewis, Dr. Robert Fleck.
Subjects/Keywords: Consumer Valuation; Fuel Economy; Fuel Prices; Hedonic Model; Turkey; Vehicle Emissions
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APA (6th Edition):
Kuru, A. (2017). Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey. (Doctoral Dissertation). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_dissertations/2057
Chicago Manual of Style (16th Edition):
Kuru, Ali. “Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey.” 2017. Doctoral Dissertation, Clemson University. Accessed March 01, 2021.
https://tigerprints.clemson.edu/all_dissertations/2057.
MLA Handbook (7th Edition):
Kuru, Ali. “Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey.” 2017. Web. 01 Mar 2021.
Vancouver:
Kuru A. Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey. [Internet] [Doctoral dissertation]. Clemson University; 2017. [cited 2021 Mar 01].
Available from: https://tigerprints.clemson.edu/all_dissertations/2057.
Council of Science Editors:
Kuru A. Consumer Valuation of Improvements in Fuel Economy and Reductions in Emissions of Vehicles in Turkey. [Doctoral Dissertation]. Clemson University; 2017. Available from: https://tigerprints.clemson.edu/all_dissertations/2057
Virginia Tech
2.
Meyer, Mark J.
Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data.
Degree: MS, Mechanical Engineering, 2011, Virginia Tech
URL: http://hdl.handle.net/10919/35648
► EPA testing methods for calculation of fuel economy label ratings, which were revised beginning in 2008, use equations that weight the contributions of fuel consumption…
(more)
▼ EPA testing methods for calculation of
fuel economy label ratings, which were revised beginning in 2008, use equations that weight the contributions of
fuel consumption results from multiple dynamometer tests to synthesize city and highway estimates that reflect average U.S. driving patterns. The equations incorporate effects with varying weightings into the final
fuel consumption, which are explained in this thesis paper, including illustrations from testing. Some of the test results used in the computation come from individual phases within the certification driving cycles. This methodology causes additional complexities for hybrid electric vehicles, because although they are required to have charge-balanced batteries over the course of a full drive cycle, they may have net charge or discharge within the individual phases. The fundamentals of studying battery charge-balance are discussed in this paper, followed by a detailed investigation of the implications of per-phase charge correction that was undertaken through testing of a 2010 Toyota Prius at Argonne National Laboratoryâ s vehicle dynamometer test facility. Using the charge-correction curves obtained through testing shows that phase
fuel economy can be significantly skewed by natural charge imbalance, although the end effect on the
fuel economy label is not as large. Finally, the characteristics of the current 5-cycle
fuel economy testing method are compared to previous methods through a vehicle simulation study which shows that the magnitude of impact from mass and aerodynamic parameters vary between labeling methods and vehicle types.
Advisors/Committee Members: Nelson, Douglas J. (committeechair), Anderl, Reiner (committee member), Winner, Hermann (committee member), Lohse-Busch, Henning (committee member).
Subjects/Keywords: fuel consumption; hybrid electric vehicles; fuel economy; dynamometer testing
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APA (6th Edition):
Meyer, M. J. (2011). Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/35648
Chicago Manual of Style (16th Edition):
Meyer, Mark J. “Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data.” 2011. Masters Thesis, Virginia Tech. Accessed March 01, 2021.
http://hdl.handle.net/10919/35648.
MLA Handbook (7th Edition):
Meyer, Mark J. “Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data.” 2011. Web. 01 Mar 2021.
Vancouver:
Meyer MJ. Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data. [Internet] [Masters thesis]. Virginia Tech; 2011. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/10919/35648.
Council of Science Editors:
Meyer MJ. Understanding the challenges in HEV 5-cycle fuel economy calculations based on dynamometer test data. [Masters Thesis]. Virginia Tech; 2011. Available from: http://hdl.handle.net/10919/35648
3.
Chkaiban, Rami.
Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios.
Degree: 2017, University of Nevada – Reno
URL: http://hdl.handle.net/11714/2809
► The HERS VOCs fuel consumption models use dates and are based on an unrepresentative database of the vehicle fleet and technologies currently used in the…
(more)
▼ The HERS VOCs
fuel consumption models use dates and are based on an unrepresentative database of the vehicle fleet and technologies currently used in the U.S. Thus the models were updates through several steps. First, driving cycles were developed that represent the driving population and behavior in addition to representing the different road characteristics and the vehicle fleets driven nowadays on U.S roads. SHRP2 NDS complemented with SHRP RID and ATRI data were used to fulfill this task, forty four hundred (4,400) NDS trips collected at six (6) sites including around 12,500,000-seconds of truck data were used for the development of synthetically optimized (SO) driving cycles for different vehicle types, traffic conditions, and road properties for different highway types. A representative vehicle simulation was developed on thirty (30) different vehicle dynamics models representing a range of vehicles, technologies, and
fuel types were developed and verified. Each, vehicle model was then simulated over the developed driving cycles and respective highway grades (upslope and downslope) to predict
fuel economy for different scenarios of full access control and partial or no access control facilities. The results were processed by segmenting the driving cycles to obtain additional
fuel economy data as a function of average vehicle speed (AS) and introducing average speed steady state
fuel economy allowing extrapolation to higher speeds. The impact of the parameters used for developing the SO driving cycles was studied and used to exclude the non-significant parameters from the driving cycles development. Thus, additional SO driving cycles were added to fill the absent highway scenarios that were missed by the originally developed SO driving cycles. Multi-variable non-linear power-polynomial prediction models were fitted to the data, to estimate
fuel economy for different scenarios of full access control (FAC) and partial or no access control (PNAC) facilities at different grades (upslope and downslope), averages speeds, speed limits and intersections densities for straight smooth roads. These prediction models were verified using NDS trip data. The effect of curvature on
fuel economy was further investigated with the vehicle simulation data showing an interaction effect for curvature and grade level on
fuel economy. Reduction in
fuel economy due to road curvature (RFEC) prediction models were developed for each grade level A through F (separately for upslope and downslope) as a function of AS, vehicle type, and highway type (FAC and PNAC). The developed RFEC models were verified for FAC and PNAC highways against FE of respective simulated trip data.
Advisors/Committee Members: Hand, Adam J.T. (advisor), Hajj, Elie Y. (committee member), Sebaaly, Peter E. (committee member), Zaliapin, Ilya (committee member), Zeh, David W. (committee member).
Subjects/Keywords: Driving cycle; Fuel Consumption; Fuel Economy; Road Curvature; Speed Profile; Vehicle Operating Costs; WRSC
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Manager
APA (6th Edition):
Chkaiban, R. (2017). Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios. (Thesis). University of Nevada – Reno. Retrieved from http://hdl.handle.net/11714/2809
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Chkaiban, Rami. “Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios.” 2017. Thesis, University of Nevada – Reno. Accessed March 01, 2021.
http://hdl.handle.net/11714/2809.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Chkaiban, Rami. “Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios.” 2017. Web. 01 Mar 2021.
Vancouver:
Chkaiban R. Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios. [Internet] [Thesis]. University of Nevada – Reno; 2017. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/11714/2809.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Chkaiban R. Fuel Economy Prediction Models for Vehicles Operating on Different Highway Scenarios. [Thesis]. University of Nevada – Reno; 2017. Available from: http://hdl.handle.net/11714/2809
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Illinois – Urbana-Champaign
4.
Han, Yun Long.
On generating driving trajectories in urban traffic to achieve higher fuel efficiency.
Degree: MS, 4048, 2014, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/50594
► In this thesis, a toolkit with the purpose of generating optimal policies for driving a vehicle with information about upcoming traffic signals has been developed.…
(more)
▼ In this thesis, a toolkit with the purpose of generating optimal policies for
driving a vehicle with information about upcoming traffic signals has been
developed. The toolkit can be used to investigate how to generate the optimal
velocity profile with upcoming traffic signals based on a model of second-by-
second
fuel consumption. To this purpose, we employ an instantaneous
fuel
consumption model and formulate an optimization problem for
fuel mini-
mization.
Following the problem formulation, we explore different numerical ways
to solve the minimization problem by discretization. The Runge-Kutta 4 th
Order Method (RK4) is chosen to numerically deal with the differential con-
straints in the optimization problem since RK4 gives higher resolution with
fewer partitions when discretizing along the time horizon. Then, we turn to
Direct Transcription with RK4 Steps and Parallel Shooting (DTRPS) with
which we translate the minimization problem to a nonlinear programming
(NLP) problem.
We also include an extensive case study for a door-to-door trip with differ-
ent traveling settings: travel during which there are no traffic lights; travel
with one light and travel with two lights. The result shows the capability of
the toolkit. For a specific setting of a trip, an optimal profile of instantaneous
velocity, acceleration and
fuel consumption is generated to achieve the lowest
fuel consumption for the entire trip.
Advisors/Committee Members: Voulgaris, Petros G. (advisor).
Subjects/Keywords: fuel economy; model of fuel consumption; nonlinear programming; parallel shooting; urban driving; optimization
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APA (6th Edition):
Han, Y. L. (2014). On generating driving trajectories in urban traffic to achieve higher fuel efficiency. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/50594
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Han, Yun Long. “On generating driving trajectories in urban traffic to achieve higher fuel efficiency.” 2014. Thesis, University of Illinois – Urbana-Champaign. Accessed March 01, 2021.
http://hdl.handle.net/2142/50594.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Han, Yun Long. “On generating driving trajectories in urban traffic to achieve higher fuel efficiency.” 2014. Web. 01 Mar 2021.
Vancouver:
Han YL. On generating driving trajectories in urban traffic to achieve higher fuel efficiency. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2014. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/2142/50594.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Han YL. On generating driving trajectories in urban traffic to achieve higher fuel efficiency. [Thesis]. University of Illinois – Urbana-Champaign; 2014. Available from: http://hdl.handle.net/2142/50594
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of New South Wales
5.
Bao, Yongming.
Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine.
Degree: Mechanical & Manufacturing Engineering, 2013, University of New South Wales
URL: http://handle.unsw.edu.au/1959.4/53399
;
https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12094/SOURCE02?view=true
► This study aims to clarify the spray development of ethanol, gasoline and iso-octane fuel, delivered by a multi-hole injector and spark-ignition direct-injection (SIDI) fuelling system.…
(more)
▼ This study aims to clarify the spray development of ethanol, gasoline and iso-octane
fuel, delivered by a multi-hole injector and spark-ignition direct-injection (SIDI) fuelling system. The focus is on how
fuel properties and injection pressure impact temporal and spatial evolution of sprays at various ambient conditions. Two optical facilities were used: (1) a constant-flow spray chamber simulating cold-start conditions and (2) a single-cylinder SIDI engine running at normal, warmed-up operating conditions. In these optical facilities, Mie-scattering imaging is performed to measure penetrations of spray plumes at various injection pressures of 4, 7, 11 and 15 MPa. Experiments were first performed in the spray chamber to measure the spray tip penetration and penetration rate of ethanol, gasoline and iso-octane. It is observed that at 4 MPa injection pressure, the tip penetration length of ethanol sprays is shorter than that of gasoline sprays, likely due to lower injection velocity and increased nozzle loss associated with higher density and increased viscosity of ethanol, respectively. This assertion is further supported by the longest penetration length of iso-octane that has the lowest density among tested fuels and similar viscosity to gasoline. At higher injection pressure of 7 and 11 MPa, the penetration length difference between ethanol and gasoline sprays decreases and eventually ethanol sprays show a longer penetration length than that of gasoline sprays at the highest injection pressure of 15 MPa. This reversed trend is possibly because the penetration regime is changed such that the tip penetration is limited by aerodynamic drag force applied to
fuel droplets, instead of the injection velocity or nozzle loss of the liquid jet. It is suggested that with increasing injection pressure, the
fuel jet atomisation and droplet breakup enhance and therefore the lower aerodynamic drag associated with higher droplet size of ethanol sprays than that of gasoline sprays leads to a longer penetration length. The same trends of spray penetrations of ethanol, gasoline, and iso-octane are observed in the warmed optical engine with overall higher tip penetration length than that in the cold spray chamber primarily due to decreased air density and increased
fuel temperature. In the same warmed optical engine, the effect of injection pressure on the structural transformation of flash-boiling sprays of gasoline and ethanol is investigated for two
fuel injection timings of 90 and 300 crank angle degrees after top dead centre, corresponding to low and high ambient pressure conditions, respectively. The macroscopic spray structure was quantified using spray tip penetrations, spray spreading angles and spray areas. From the measurements, it is found that
fuel sprays injected at the earlier injection timing, when the vapour pressure of the
fuel is higher than the ambient pressure, show the convergence of the spray plumes towards the injector axis evidencing the flash-boiling phenomenon. By contrast,
fuel injected at the later…
Advisors/Committee Members: Kook, Sanghoon, Mechanical & Manufacturing Engineering, Faculty of Engineering, UNSW.
Subjects/Keywords: Ethanol; Gasoline; Iso-octane fuel; Spark-ignition direct-injection (SIDI); Injection pressure; Spray; Fuel economy
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Manager
APA (6th Edition):
Bao, Y. (2013). Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine. (Masters Thesis). University of New South Wales. Retrieved from http://handle.unsw.edu.au/1959.4/53399 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12094/SOURCE02?view=true
Chicago Manual of Style (16th Edition):
Bao, Yongming. “Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine.” 2013. Masters Thesis, University of New South Wales. Accessed March 01, 2021.
http://handle.unsw.edu.au/1959.4/53399 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12094/SOURCE02?view=true.
MLA Handbook (7th Edition):
Bao, Yongming. “Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine.” 2013. Web. 01 Mar 2021.
Vancouver:
Bao Y. Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine. [Internet] [Masters thesis]. University of New South Wales; 2013. [cited 2021 Mar 01].
Available from: http://handle.unsw.edu.au/1959.4/53399 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12094/SOURCE02?view=true.
Council of Science Editors:
Bao Y. Effect of injection pressure on ethanol and gasoline sprays in a spark-ignition direct-injection engine. [Masters Thesis]. University of New South Wales; 2013. Available from: http://handle.unsw.edu.au/1959.4/53399 ; https://unsworks.unsw.edu.au/fapi/datastream/unsworks:12094/SOURCE02?view=true
Mississippi State University
6.
Phillips, Stephen Gordon.
INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS.
Degree: MS, Electrical and Computer Engineering, 2008, Mississippi State University
URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-123140/
;
► Stringent government mandates for the fuel economy and emissions of light-duty consumer vehicles have forced manufacturers to focus on improvements in these areas. Increased consumer…
(more)
▼ Stringent government mandates for the
fuel economy and emissions of light-duty consumer vehicles have forced manufacturers to focus on improvements in these areas. Increased consumer pressure has also shifted the automobile market
towards higher efficiency vehicles. This study investigates the use of intelligent engine peripheral control to improve
fuel efficiency and reduce vehicle emissions. The conventional automotive alternator control strategy contributes to higher overall vehicle losses and increased
fuel consumption through indiscriminate loading of the engine. The improved method focuses on the selective reduction of engine loading and the recapture of vehicle energy
during braking using intelligent control of the alternator system. The concept was demonstrated on the Mississippi State University Challenge X hybrid vehicle. The
fuel economy and NO
x emissions of the vehicle were improved by 6.6% and 10.5% respectively over the drive cycle developed by the 2006 Mississippi State University Challenge X team to evaluate emissions.
Advisors/Committee Members: G. Marshall Molen (chair), Stanislaw Grzybowski (committee member), Herbert L. Ginn, III (committee member).
Subjects/Keywords: fuel economy; alternator; emissions; hybrid
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APA (6th Edition):
Phillips, S. G. (2008). INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS. (Masters Thesis). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-123140/ ;
Chicago Manual of Style (16th Edition):
Phillips, Stephen Gordon. “INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS.” 2008. Masters Thesis, Mississippi State University. Accessed March 01, 2021.
http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-123140/ ;.
MLA Handbook (7th Edition):
Phillips, Stephen Gordon. “INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS.” 2008. Web. 01 Mar 2021.
Vancouver:
Phillips SG. INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS. [Internet] [Masters thesis]. Mississippi State University; 2008. [cited 2021 Mar 01].
Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-123140/ ;.
Council of Science Editors:
Phillips SG. INTELLIGENT ALTERNATOR CONTROL STRATEGY DEVELOPMENT FOR HYBRID AUTOMOTIVE APPLICATIONS. [Masters Thesis]. Mississippi State University; 2008. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11062008-123140/ ;
University of Waterloo
7.
Lawrence, Christopher Paul.
Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles.
Degree: 2007, University of Waterloo
URL: http://hdl.handle.net/10012/3275
► The automotive industry is in a state of flux at the moment. Traditional combustion engine technologies are becoming challenged by newer, more efficient and environmentally…
(more)
▼ The automotive industry is in a state of flux at the moment. Traditional combustion engine technologies are becoming challenged by newer, more efficient and environmentally friendly propulsion methods. These include bio-fuel, hybrid, and hydrogen fuel-cell technologies. Propulsion alone, however, is not the only area where improvements can be made in vehicle efficiency. Current vehicle research and development focuses heavily on propulsion systems with relatively few resources dedicated to auxiliary systems. These auxiliary systems, however, can have a significant impact on overall vehicle efficiency and fuel economy. The objective of this work is to improve the efficiency of a Fuel Cell Electric Vehicle (FCEV) through intelligent auxiliary system control.
The analysis contained herein is applicable to all types of vehicles and may find applications in many vehicle architectures. A survey is made of the various types of alternative fuels and vehicle architectures from conventional gasoline vehicles to hybrids and fuel cells. Trends in auxiliary power systems and previous papers on control of these systems are discussed. The FCEV developed by the University of Waterloo Alternative Fuels Team (UWAFT) is outlined and the design process presented. Its powertrain control strategy is analyzed with a proposal for modifications as well as the addition of an auxiliary control module to meet the aforementioned objectives. Simulations are performed to predict the efficiency and fuel economy gains that can potentially be realized using these proposed techniques. These gains prove to be significant, with an almost 2% improvement realized through intelligent control of the air conditioning compressor, and further gains possible through other auxiliary power reduction techniques.
Subjects/Keywords: Vehicle auxiliary loads; Fuel economy
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APA (6th Edition):
Lawrence, C. P. (2007). Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/3275
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lawrence, Christopher Paul. “Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles.” 2007. Thesis, University of Waterloo. Accessed March 01, 2021.
http://hdl.handle.net/10012/3275.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lawrence, Christopher Paul. “Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles.” 2007. Web. 01 Mar 2021.
Vancouver:
Lawrence CP. Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles. [Internet] [Thesis]. University of Waterloo; 2007. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/10012/3275.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lawrence CP. Improving Fuel Economy via Management of Auxiliary Loads in Fuel-Cell Electric Vehicles. [Thesis]. University of Waterloo; 2007. Available from: http://hdl.handle.net/10012/3275
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
8.
Luu, Hong Tu.
Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology.
Degree: Docteur es, Automatique, 2011, Evry-Val d'Essonne
URL: http://www.theses.fr/2011EVRY0015
► Dans le contexte où le secteur automobile apparaît comme l’un des principaux émetteurs de gaz à effet de serre, des efforts doivent être apportés pour…
(more)
▼ Dans le contexte où le secteur automobile apparaît comme l’un des principaux émetteurs de gaz à effet de serre, des efforts doivent être apportés pour répondre à des normes antipollution de plus en plus contraignantes. L’objectif de la thèse est alors de développer un système qui aide le conducteur à adopter globalement une conduite plus économique, et qui plus est, écologique et sécuritaire. Notre approche se différencie des études et systèmes déjà existants par la stratégie utilisée. Celle-ci prend à la fois en compte les caractéristiques du véhicule, celles de l’infrastructure (pente, dévers, courbure) et surtout les contraintes sécuritaires que doit respecter le conducteur (limitation de vitesse légale, distance intervéhiculaire). Partant de ces informations, le problème d’optimisation de la consommation en carburant est formulé et résolu par la programmation dynamique. La stratégie de calcul en ligne est par la suite adoptée pour rendre le système adaptatif aux conditions de trafic. C’est ainsi que, sur la base de cette stratégie, le couplage entre le problème de sécurité routière et de réduction de consommation est réalisé. Des expérimentations de ce système informatif suggestif sur véhicule prototype montrent que le suivi des consignes, données par le système, est tout à fait réalisable par le conducteur. Ces essais confirment aussi le potentiel d’économie en carburant et l’amélioration de la sécurité grâce à notre système. En comparaison avec le style d’éco-conduite des conducteurs, l’économie en carburant en moyenne est de 7.5% et peut atteindre 12.9% et des réductions des dépassements de vitesse de 50% en moyenne et atteint près de 80% pour certains conducteurs.
In the context where the automobile sector represents one of the major greenhouse gas emitters, significant efforts should be made to answer the demand for increasingly restricted emissions standards. The object of this thesis is to develop a fuel-efficient support tool which helps the driver to adopt more economical, ecological and safe driving. our approach differs from studies in the literature by the introduction of a strong coupling of fuel optimization and safety maintaining problems. As inputs of the system, we use the vehicle states such as the vehicle and engine speeds, the gear used, the road geometry and information related to safety (inter-vehicle speed, traffic conditions, legal speed limit...). Optimisation algorithms compute in real-time a speed and gear profile for fuel economy and improvement of safety.. The experimental results of this informative and suggestive system show that instructions, given by the system, are quite feasible by the driver. These tests also confirm the potential for fuel economy and the safety
Advisors/Committee Members: Mammar, Said (thesis director).
Subjects/Keywords: Sécurité et économie en carburant; Safety and fuel economy
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APA (6th Edition):
Luu, H. T. (2011). Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology. (Doctoral Dissertation). Evry-Val d'Essonne. Retrieved from http://www.theses.fr/2011EVRY0015
Chicago Manual of Style (16th Edition):
Luu, Hong Tu. “Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology.” 2011. Doctoral Dissertation, Evry-Val d'Essonne. Accessed March 01, 2021.
http://www.theses.fr/2011EVRY0015.
MLA Handbook (7th Edition):
Luu, Hong Tu. “Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology.” 2011. Web. 01 Mar 2021.
Vancouver:
Luu HT. Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology. [Internet] [Doctoral dissertation]. Evry-Val d'Essonne; 2011. [cited 2021 Mar 01].
Available from: http://www.theses.fr/2011EVRY0015.
Council of Science Editors:
Luu HT. Développement de méthodes de réduction de la consommation en carburant d'un véhicule dans un contexte de sécurité et de confort : un compromis entre économie et écologie : Methods development for reducing vehicle fuel consumption in a context of safety and comfort : a trade-off between economy and ecology. [Doctoral Dissertation]. Evry-Val d'Essonne; 2011. Available from: http://www.theses.fr/2011EVRY0015
University College London (University of London)
9.
Ghauri, Ahmar.
An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine.
Degree: PhD, 1999, University College London (University of London)
URL: https://discovery.ucl.ac.uk/id/eprint/1317999/
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312736
► The work reported in this thesis was conducted to study the effects of variable valve actuation on combustion, emissions, and fuel economy in a modern…
(more)
▼ The work reported in this thesis was conducted to study the effects of variable valve actuation on combustion, emissions, and fuel economy in a modern design of 4-valve per cylinder SI engine. The use of statistically-based procedures for the design of experiments allowed a limited number of tests to be used to explore a wide region of each of the experimental variables. A series of steady-flow tests was conducted to assess the effects of valve lift on flow past the valves and the nature of any in-cylinder motion generated. Results from the former were incorporated into a filling and emptying model that allowed levels of trapped residuals and pumping work to be estimated for different valve strategies. The in-cylinder motion tests explored asymmetric valve lifts, that is to say where the two valves were opened by a different amount. These results allowed a pair of response surfaces to be established to model the intensity of both axial and barrel swirl within the cylinder over the range of valve lifts. Engine tests were conducted in two parts. The first explored the effects of changes in exhaust event phasing, intake event phasing, intake event duration, and peak intake valve lift. The design of the experiment allowed linear, quadratic, and interactions between the variables to be modelled using regression analysis. Statistical analysis allowed the most influential factors (both main effects and interactions) to be identified. Contour plots of the modelled response were used to draw conclusions about the nature of the response surface and to isolate the effects of valve opening and closure angles as well as overlap. The results were correlated with those from the steady-flow tests and from the computer model. The strategy for the second phase of tests was chosen after considering the previous results. The steady-flow tests indicated that there was considerable potential for enhancing in-cylinder motion by adopting a valve deactivation strategy and combining it with a low lift of the active intake valve. The second phase investigated the use of such a technique in conjunction with large overlaps over a range of duration of the intake valve event. The results from both phases of engine tests indicated possible strategies to reduce emissions from future engines.
Subjects/Keywords: 621.43; Fuel economy; Spark ignition
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APA (6th Edition):
Ghauri, A. (1999). An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine. (Doctoral Dissertation). University College London (University of London). Retrieved from https://discovery.ucl.ac.uk/id/eprint/1317999/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312736
Chicago Manual of Style (16th Edition):
Ghauri, Ahmar. “An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine.” 1999. Doctoral Dissertation, University College London (University of London). Accessed March 01, 2021.
https://discovery.ucl.ac.uk/id/eprint/1317999/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312736.
MLA Handbook (7th Edition):
Ghauri, Ahmar. “An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine.” 1999. Web. 01 Mar 2021.
Vancouver:
Ghauri A. An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine. [Internet] [Doctoral dissertation]. University College London (University of London); 1999. [cited 2021 Mar 01].
Available from: https://discovery.ucl.ac.uk/id/eprint/1317999/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312736.
Council of Science Editors:
Ghauri A. An investigation into the effects of variable valve actuation on combustion and emissions in an SI engine. [Doctoral Dissertation]. University College London (University of London); 1999. Available from: https://discovery.ucl.ac.uk/id/eprint/1317999/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312736
University of Windsor
10.
Rashid, Rehan Mohsin.
Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy.
Degree: MA, Mechanical, Automotive, and Materials Engineering, 2018, University of Windsor
URL: https://scholar.uwindsor.ca/etd/7564
► The passenger compartment of a vehicle parked directly under the sun in the summer can reach uncomfortably high temperatures. Solar radiation may affect the durability…
(more)
▼ The passenger compartment of a vehicle parked directly under the sun in the summer can reach uncomfortably high temperatures. Solar radiation may affect the durability of surfaces such as a dashboards and leather seats. Extended exposure to high temperature reduces the lifespan of some electronics in the instrument panel. VOCs, Volatile organic compounds, also increase due to high temperatures in the vehicle cabin leading to poor air quality. When the driver and passengers enter the vehicle and turn on the AC system, there is a duration of time wherein there is thermal discomfort. The duration depends on how fast the AC system is able to extract the heat from the cabin and transfer it to the outside. In addition, the amount of heat which is entrapped in the passenger compartment affects the amount of work the AC system has to perform to remove the heat from the compartment. In return, this has a significant effect on
fuel consumption.
A transient energy balance model is developed to perform thermal analysis for various thermal inputs. This model is able to provide the temperature distribution and energy accumulation for surfaces inside the cabin.
The primary objective of this research is to optimize factors like glass types, roof insulation, materials, thicknesses, underbody heat insulation, and exterior and interior colours using DFSS–Design for Six Sigma. The optimization of these parameters will reduce the load on the AC system while also improving component durability, air quality, and thermal comfort.
Advisors/Committee Members: Sobiesiak, Andrzej, El-sharkawy, Alaa.
Subjects/Keywords: Cabin; Fuel Economy; Heat Transfer; Interior; Thermal Comfort
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APA (6th Edition):
Rashid, R. M. (2018). Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy. (Masters Thesis). University of Windsor. Retrieved from https://scholar.uwindsor.ca/etd/7564
Chicago Manual of Style (16th Edition):
Rashid, Rehan Mohsin. “Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy.” 2018. Masters Thesis, University of Windsor. Accessed March 01, 2021.
https://scholar.uwindsor.ca/etd/7564.
MLA Handbook (7th Edition):
Rashid, Rehan Mohsin. “Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy.” 2018. Web. 01 Mar 2021.
Vancouver:
Rashid RM. Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy. [Internet] [Masters thesis]. University of Windsor; 2018. [cited 2021 Mar 01].
Available from: https://scholar.uwindsor.ca/etd/7564.
Council of Science Editors:
Rashid RM. Thermal Management of Vehicle Interior Temperature for Improvement of Fuel Economy. [Masters Thesis]. University of Windsor; 2018. Available from: https://scholar.uwindsor.ca/etd/7564
Clemson University
11.
Sari, Mehmet.
Consumer Valuation of Fuel Economy Over Time: 2003-2012.
Degree: MA, Economics, 2014, Clemson University
URL: https://tigerprints.clemson.edu/all_theses/1844
► This study is in-depth analysis of consumer valuation of fuel economy with the objective of assessing how that value has changed over time using…
(more)
▼ This study is in-depth analysis of consumer valuation of
fuel economy with the objective of assessing how that value has changed over time using ten years' of data covering 2003 to 2012 model year vehicle sales. Marginal willingness to pay for incremental change in
fuel economy is estimated using hedonic price model for each model year. This value is then compared with the expected value of
fuel savings of the increased
fuel economy. The results of analysis show that valuations of
fuel economy by consumers vary across vehicle classes and over time. The results of comparison indicate that marginal willingness to pay for incremental change in
fuel economy (for all vehicles) generally but not perfectly tracks expected value of
fuel savings and average
fuel price over the years.
Advisors/Committee Members: Espey, Molly, Templeton , Scott, Fleck , Robert.
Subjects/Keywords: CAFE; comparison; Consumer Valuation; Fuel Economy; hedonic price model; Economics
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APA (6th Edition):
Sari, M. (2014). Consumer Valuation of Fuel Economy Over Time: 2003-2012. (Masters Thesis). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_theses/1844
Chicago Manual of Style (16th Edition):
Sari, Mehmet. “Consumer Valuation of Fuel Economy Over Time: 2003-2012.” 2014. Masters Thesis, Clemson University. Accessed March 01, 2021.
https://tigerprints.clemson.edu/all_theses/1844.
MLA Handbook (7th Edition):
Sari, Mehmet. “Consumer Valuation of Fuel Economy Over Time: 2003-2012.” 2014. Web. 01 Mar 2021.
Vancouver:
Sari M. Consumer Valuation of Fuel Economy Over Time: 2003-2012. [Internet] [Masters thesis]. Clemson University; 2014. [cited 2021 Mar 01].
Available from: https://tigerprints.clemson.edu/all_theses/1844.
Council of Science Editors:
Sari M. Consumer Valuation of Fuel Economy Over Time: 2003-2012. [Masters Thesis]. Clemson University; 2014. Available from: https://tigerprints.clemson.edu/all_theses/1844
Purdue University
12.
Simmons, Richard A.
A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet.
Degree: PhD, Mechanical Engineering, 2015, Purdue University
URL: https://docs.lib.purdue.edu/open_access_dissertations/1431
► A more sustainable transportation energy future for society is the principal motivation of this dissertation. The central purpose of this work is to investigate vehicle…
(more)
▼ A more sustainable transportation energy future for society is the principal motivation of this dissertation. The central purpose of this work is to investigate vehicle technologies that contribute to
fuel and emissions reductions while preserving consumer choice, and to evaluate their technological performance and economic practicability as essential aspects of meeting aspirational targets and regulatory requirements associated with the future vehicle fleet.
Advisors/Committee Members: Suresh V Garimella, Wallace E Tyner, Eckhard A Groll, Gregory M Shaver.
Subjects/Keywords: Benefit Cost; Electric Vehicles; Emissions; Energy; Fuel Economy; Hybrid Vehicles
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APA (6th Edition):
Simmons, R. A. (2015). A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet. (Doctoral Dissertation). Purdue University. Retrieved from https://docs.lib.purdue.edu/open_access_dissertations/1431
Chicago Manual of Style (16th Edition):
Simmons, Richard A. “A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet.” 2015. Doctoral Dissertation, Purdue University. Accessed March 01, 2021.
https://docs.lib.purdue.edu/open_access_dissertations/1431.
MLA Handbook (7th Edition):
Simmons, Richard A. “A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet.” 2015. Web. 01 Mar 2021.
Vancouver:
Simmons RA. A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet. [Internet] [Doctoral dissertation]. Purdue University; 2015. [cited 2021 Mar 01].
Available from: https://docs.lib.purdue.edu/open_access_dissertations/1431.
Council of Science Editors:
Simmons RA. A Techno-Economic Investigation of Advanced Vehicle Technologies and Their Impacts on Fuel Economy, Emissions, and the Future Fleet. [Doctoral Dissertation]. Purdue University; 2015. Available from: https://docs.lib.purdue.edu/open_access_dissertations/1431
Virginia Tech
13.
Tollefson, Christian Roland.
Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle.
Degree: MS, Mechanical Engineering, 2020, Virginia Tech
URL: http://hdl.handle.net/10919/102070
► The charge sustaining hybrid electric vehicle in this paper generates output power with an internal combustion engine powered by a fuel tank and an electric…
(more)
▼ The charge sustaining hybrid electric vehicle in this paper generates output power with an internal combustion engine powered by a
fuel tank and an electric traction motor powered by a battery pack. Hybrid electric vehicle energy management strategies generate torque commands to meet output power demand based on the minimum total input power from both the
fuel tank and battery pack. Willans line models simplify the energy management strategy by quantifying the output power to input power relationship, or efficiency, of each component with a linear slope and constant offset. The use of Willans line models quantifies the efficiency of the hybrid electric vehicle with three linear relationships. Energy management strategies also ensure the battery pack starts and ends at the same operating condition to maintain charge sustaining performance. Charge sustaining hybrid electric vehicles therefore use the battery pack as an energy buffer and do not need to be charged by an external power supply since all energy comes from
fuel. The output to input power relationship of Willans line models quantifies the power conversion of the hybrid electric vehicle and coupled to a term which accounts for changes in the battery pack. The use of Willans line models in hybrid electric vehicles effectively generates torque commands to the engine and motor while improving
fuel economy and maintaining charge sustaining performance.
Advisors/Committee Members: Nelson, Douglas J. (committeechair), Southward, Steve C. (committee member), Diller, Thomas E. (committee member).
Subjects/Keywords: Willans Line; Equivalent Consumption Minimization Strategy; Charge Sustaining; Fuel Economy
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Export
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APA (6th Edition):
Tollefson, C. R. (2020). Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/102070
Chicago Manual of Style (16th Edition):
Tollefson, Christian Roland. “Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle.” 2020. Masters Thesis, Virginia Tech. Accessed March 01, 2021.
http://hdl.handle.net/10919/102070.
MLA Handbook (7th Edition):
Tollefson, Christian Roland. “Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle.” 2020. Web. 01 Mar 2021.
Vancouver:
Tollefson CR. Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle. [Internet] [Masters thesis]. Virginia Tech; 2020. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/10919/102070.
Council of Science Editors:
Tollefson CR. Willans Line Based Equivalent Consumption Minimization Strategy for Charge Sustaining Hybrid Electric Vehicle. [Masters Thesis]. Virginia Tech; 2020. Available from: http://hdl.handle.net/10919/102070
Northeastern University
14.
Bellino, Guy P.
Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012.
Degree: PhD, Department of Political Science, 2013, Northeastern University
URL: http://hdl.handle.net/2047/d20004827
► Political scientists studying policy change over time in the United States have posed a range of conceptual frameworks to analyze and make sense of often…
(more)
▼ Political scientists studying policy change over time in the United States have posed a range of conceptual frameworks to analyze and make sense of often perplexing phenomena. This study uses a longitudinal case study, the three decades long saga of the establishment and eventual increase of the Corporate Average Fuel Economy standard (CAFE), to examine the utility of three dominant frameworks for understanding policy change: John Kingdon's convergence model of agenda formation and policy change, Paul Sabatier's advocacy coalition framework, and the punctuated equilibrium model pioneered by Frank Baumgartner and Bryan Jones. This analysis of long-term stasis and then major-and sudden-change in CAFE standard at first glance would most support the Baumgartner and Jones model of punctuated equilibrium. However, the CAFE case differs in some fundamental ways from the types of policy areas on which Baumgartner and Jones based their theoretical model. Nor does Sabatier's advocacy coalition framework, by itself, seem to account for the timing and scope of policy change after decades of stasis. In the end, Kindgon's convergence model, even with its explanatory limitations, best fits any account for what at first glance seems to be an unexpected, and even unexplainable, shift in longstanding policy.
Subjects/Keywords: CAFE; energy; environment; fuel economy; fuel efficiency; policy; American Politics; Energy Policy; Environmental Policy; Political Science
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APA (6th Edition):
Bellino, G. P. (2013). Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012. (Doctoral Dissertation). Northeastern University. Retrieved from http://hdl.handle.net/2047/d20004827
Chicago Manual of Style (16th Edition):
Bellino, Guy P. “Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012.” 2013. Doctoral Dissertation, Northeastern University. Accessed March 01, 2021.
http://hdl.handle.net/2047/d20004827.
MLA Handbook (7th Edition):
Bellino, Guy P. “Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012.” 2013. Web. 01 Mar 2021.
Vancouver:
Bellino GP. Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012. [Internet] [Doctoral dissertation]. Northeastern University; 2013. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/2047/d20004827.
Council of Science Editors:
Bellino GP. Policy stability and dynamics of policy change: Corporate Average Fuel Economy 1975-2012. [Doctoral Dissertation]. Northeastern University; 2013. Available from: http://hdl.handle.net/2047/d20004827
University of California – Irvine
15.
WANG, JIAXI.
ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY.
Degree: Economics, 2016, University of California – Irvine
URL: http://www.escholarship.org/uc/item/6zz6c6tp
► Given the fact that fuel efficiency and safety technologies are now being developed and deployed rapidly, saving gasoline and lives while incidentally rendering older analyses…
(more)
▼ Given the fact that fuel efficiency and safety technologies are now being developed and deployed rapidly, saving gasoline and lives while incidentally rendering older analyses obsolete, this dissertation provides further discussions and insights on the relationship between fuel economy and vehicle safety using new empirical evidence. The different roles of size and weight are at the center of our concern; they have not yet been definitively separated in most studies. Another major component of this dissertation research is to study the impacts of the 2011 U.S. CAFE reform. This dissertation research employs an empirically estimated medium-run model to study the equilibrium effects of the 2011 CAFE reform. Micro-level data and counterfactual policy simulations are used to investigate the welfare implications of the “attribute-basing” structure (i.e., in which regulatory compliance depends upon some secondary attribute that is not the intended target of the regulation) of the footprint-based CAFE standards, including both potential benefits and likely costs.
Subjects/Keywords: Economics; Transportation; Bertrand Competition; Fuel Economy Regulation; Traffic Safety; Transportation Economics; Vehicle Market
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APA (6th Edition):
WANG, J. (2016). ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY. (Thesis). University of California – Irvine. Retrieved from http://www.escholarship.org/uc/item/6zz6c6tp
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
WANG, JIAXI. “ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY.” 2016. Thesis, University of California – Irvine. Accessed March 01, 2021.
http://www.escholarship.org/uc/item/6zz6c6tp.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
WANG, JIAXI. “ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY.” 2016. Web. 01 Mar 2021.
Vancouver:
WANG J. ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY. [Internet] [Thesis]. University of California – Irvine; 2016. [cited 2021 Mar 01].
Available from: http://www.escholarship.org/uc/item/6zz6c6tp.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
WANG J. ESSAYS ON TRANSPORTATION ECONOMICS WITH FOCUS ON THE AUTOMOTIVE INDUSTRY. [Thesis]. University of California – Irvine; 2016. Available from: http://www.escholarship.org/uc/item/6zz6c6tp
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
UCLA
16.
Fang, Jiawen.
Exploring the Role of Electrification in Green Ridesourcing.
Degree: Urban Planning, 2018, UCLA
URL: http://www.escholarship.org/uc/item/8vg0c240
► The rapid growth of ridesourcing services, provided by Transportation Network Companies (TNCs) like Uber and Lyft, has uncertain environmental impacts. Although the ridesourcing services can…
(more)
▼ The rapid growth of ridesourcing services, provided by Transportation Network Companies (TNCs) like Uber and Lyft, has uncertain environmental impacts. Although the ridesourcing services can potentially reduce the environmental costs of single occupancy driving (SOV) over the “life cycle” of auto ownership and use, including emissions from driving, auto manufacturing, end-of-life disposal, and infrastructure (roads and parking), it can also increase travel by reducing its cost. This research analyzes and compares different SOV and TNC travel scenarios using a conceptual model applied to travel behavior data from the city of San Francisco. The results show that: (1) There exists a “green point” ranging from 5 to 40 percent, which is the level of induced trips that makes TNC emissions exceed SOV emissions; (2) Hybrid and electric vehicles contribute to emissions reduction across all scenarios. Higher fuel economy and cleaner energy can not only help reduce greenhouse gas emissions when there are no induced trips, but also slow GHG emission growth as the level of induced trips goes up; (3) Hybrid vehicles appear a more cost-effective alternative to electric vehicles for reducing pollution; (4) Vehicle cost and the spread between gasoline and electricity price are critical factors influencing the cost-effectiveness of electric vehicles; (5) States with a clean electric grid and high spread between gasoline and electricity prices (e.g. California, Washington) are the best candidates for electrification of private vehicles and TNC fleets.
Subjects/Keywords: Urban planning; clean energy; electrification; environmental impacts; fuel economy; greenhouse gas emissions; ridesourcing
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APA (6th Edition):
Fang, J. (2018). Exploring the Role of Electrification in Green Ridesourcing. (Thesis). UCLA. Retrieved from http://www.escholarship.org/uc/item/8vg0c240
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Fang, Jiawen. “Exploring the Role of Electrification in Green Ridesourcing.” 2018. Thesis, UCLA. Accessed March 01, 2021.
http://www.escholarship.org/uc/item/8vg0c240.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Fang, Jiawen. “Exploring the Role of Electrification in Green Ridesourcing.” 2018. Web. 01 Mar 2021.
Vancouver:
Fang J. Exploring the Role of Electrification in Green Ridesourcing. [Internet] [Thesis]. UCLA; 2018. [cited 2021 Mar 01].
Available from: http://www.escholarship.org/uc/item/8vg0c240.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Fang J. Exploring the Role of Electrification in Green Ridesourcing. [Thesis]. UCLA; 2018. Available from: http://www.escholarship.org/uc/item/8vg0c240
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
17.
Cole, Daniel A.
The effectiveness of energy storage in hybrid vehicles.
Degree: PhD, 2014, University of the West of England, Bristol
URL: https://uwe-repository.worktribe.com/output/886486
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619070
► Public awareness of finite oil resources and concerns over climate change have spurred efforts to improve vehicle efficiency and reduce emissions by road transport. Hybrids…
(more)
▼ Public awareness of finite oil resources and concerns over climate change have spurred efforts to improve vehicle efficiency and reduce emissions by road transport. Hybrids have become an increasingly popular alternative to conventional powertrain vehicles. Large fuel savings are claimed (typically 70 + mpg) (Toyota, 2014), however, collective anecdotal evidence from owners of these vehicles suggests a more modest performance. A literature review yielded an abundance of literature relating to specific hybrid vehicle technologies, and control strategies, however the variation in energy savings over different journey types for different classes of vehicle has received less attention. A simulation tool was developed to compare the energy saving effectiveness of parallel hybrid powertrains with regenerative braking and energy storage across a broad range of vehicle and journey types. The realism of the simulation (in non-hybrid mode) was evaluated by comparison with practical trials. A range of validation methods showed that average fuel consumption could be calculated to within +/- 5-10% of measured consumption and, in cases where detailed data for a vehicle was available, this improved to within 3%. Simulated fuel consumption was around 15% greater that manufacturers’ claims – reasons for this were explored. Using the backward and forward looking simulation it was possible to calculate likely fuel savings in various scenarios. Results indicate a trend of improved potential savings with increased vehicle mass. Over urban journeys results ranged from around 16 to 23% energy savings for a small car and large coach respectively. On extra-urban journeys much more modest savings were calculated ranging from a maximum of 0 - 4 % across the same range of vehicles. The likely effects of vehicle mass and drag coefficient has also been explored along with the energy saving potential of start-stop engine technology, often used in hybrids and non-hybrids alike. The broad part of the study confirmed quantitatively that greatest fuel savings might be achieved on urban routes with public transport buses. The study then narrowed to consider this application, particularly with respect to exhaust emissions which are cause for growing concern. Possible reductions in exhaust NOx and PM emissions of up to 10 to 12% respectively were predicted through the application of parallel hybrid powertrains to existing bus designs and simulated on the MLTB cycle.
Subjects/Keywords: 629.22; hybrid vehicle; energy storage; regenerative braking; HEV; vehicle emissions; fuel economy; drive cycle
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Chicago ·
MLA ·
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Manager
APA (6th Edition):
Cole, D. A. (2014). The effectiveness of energy storage in hybrid vehicles. (Doctoral Dissertation). University of the West of England, Bristol. Retrieved from https://uwe-repository.worktribe.com/output/886486 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619070
Chicago Manual of Style (16th Edition):
Cole, Daniel A. “The effectiveness of energy storage in hybrid vehicles.” 2014. Doctoral Dissertation, University of the West of England, Bristol. Accessed March 01, 2021.
https://uwe-repository.worktribe.com/output/886486 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619070.
MLA Handbook (7th Edition):
Cole, Daniel A. “The effectiveness of energy storage in hybrid vehicles.” 2014. Web. 01 Mar 2021.
Vancouver:
Cole DA. The effectiveness of energy storage in hybrid vehicles. [Internet] [Doctoral dissertation]. University of the West of England, Bristol; 2014. [cited 2021 Mar 01].
Available from: https://uwe-repository.worktribe.com/output/886486 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619070.
Council of Science Editors:
Cole DA. The effectiveness of energy storage in hybrid vehicles. [Doctoral Dissertation]. University of the West of England, Bristol; 2014. Available from: https://uwe-repository.worktribe.com/output/886486 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619070
University of Toronto
18.
Luk, Jason.
Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.
Degree: PhD, 2015, University of Toronto
URL: http://hdl.handle.net/1807/71225
► The overall objective of this thesis is to systematically compare the life cycle energy use, air emissions and costs of future alternative light-duty vehicles in…
(more)
▼ The overall objective of this thesis is to systematically compare the life cycle energy use, air emissions and costs of future alternative light-duty vehicles in a more robust manner than is done in the literature. Models are developed using GREET (Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation), Autonomie vehicle simulation software, Vehicle Attribute Model, Air Pollution Emission Experiments and Policy (APEEP) analysis model, and Crystal Ball (Monte Carlo analysis). Four questions are investigated:
• Should the transportation sector use ethanol or bio-electricity? Life cycle assessment results indicate that neither has a clear advantage in terms of greenhouse gas (GHG) emissions or energy use. This finding is in contrast to those in the literature that favor the use of bio-electricity because this thesis develops pathways with comparable vehicle characteristics.
• Do plug-in electric vehicles provide incremental life cycle air pollutant impact benefits over internal combustion engine vehicles using the same primary energy source? The results based on natural gas-derived fuels show that battery electric vehicles (BEV) may not provide benefits, in terms of climate change and health impacts, over hybrid electric vehicles (HEV). This can be attributed to the many sources of uncertainty and stringent tailpipe emissions regulations.
• How can vehicles be designed to meet future CAFE (Corporate Average
Fuel Economy) standards? Case study results for a reference vehicle show that the 66% increase in
fuel economy targets between model years 2012 to 2025 can be met with a 10% vehicle price increase (lightweight HEV powertrain), 31% increase in 0-96 km/h acceleration time (smaller engine), 17% interior volume decrease (smaller body), or 94% driving range decrease (BEV powertrain), while other attributes are maintained.
• How might CAFE standards affect the ability for non-petroleum vehicles to mitigate GHG emissions by displacing petroleum vehicles? Life cycle costing results indicate that there is a financial incentive for automakers to produce CNG vehicles that could emit higher well-to-wheel GHG emissions on a per kilometer basis than gasoline vehicles. This is permitted by CAFE standards because non-petroleum
fuel incentives allow vehicles using CNG to be less efficient, and thus potentially more affordable, than those using gasoline.
Advisors/Committee Members: MacLean, Heather L, Civil Engineering.
Subjects/Keywords: Alternative fuels; Electric vehicle; Fuel economy; Life cycle assessment; Life cycle costing; 0775
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Luk, J. (2015). Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. (Doctoral Dissertation). University of Toronto. Retrieved from http://hdl.handle.net/1807/71225
Chicago Manual of Style (16th Edition):
Luk, Jason. “Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.” 2015. Doctoral Dissertation, University of Toronto. Accessed March 01, 2021.
http://hdl.handle.net/1807/71225.
MLA Handbook (7th Edition):
Luk, Jason. “Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.” 2015. Web. 01 Mar 2021.
Vancouver:
Luk J. Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. [Internet] [Doctoral dissertation]. University of Toronto; 2015. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/1807/71225.
Council of Science Editors:
Luk J. Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. [Doctoral Dissertation]. University of Toronto; 2015. Available from: http://hdl.handle.net/1807/71225
University of Toronto
19.
Luk, Jason.
Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.
Degree: PhD, 2015, University of Toronto
URL: http://hdl.handle.net/1807/71626
► The overall objective of this thesis is to systematically compare the life cycle energy use, air emissions and costs of future alternative light-duty vehicles in…
(more)
▼ The overall objective of this thesis is to systematically compare the life cycle energy use, air emissions and costs of future alternative light-duty vehicles in a more robust manner than is done in the literature. Models are developed using GREET (Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation), Autonomie vehicle simulation software, Vehicle Attribute Model, Air Pollution Emission Experiments and Policy (APEEP) analysis model, and Crystal Ball (Monte Carlo analysis). Four questions are investigated:
• Should the transportation sector use ethanol or bio-electricity? Life cycle assessment results indicate that neither has a clear advantage in terms of greenhouse gas (GHG) emissions or energy use. This finding is in contrast to those in the literature that favor the use of bio-electricity because this thesis develops pathways with comparable vehicle characteristics.
• Do plug-in electric vehicles provide incremental life cycle air pollutant impact benefits over internal combustion engine vehicles using the same primary energy source? The results based on natural gas-derived fuels show that battery electric vehicles (BEV) may not provide benefits, in terms of climate change and health impacts, over hybrid electric vehicles (HEV). This can be attributed to the many sources of uncertainty and stringent tailpipe emissions regulations.
• How can vehicles be designed to meet future CAFE (Corporate Average
Fuel Economy) standards? Case study results for a reference vehicle show that the 66% increase in
fuel economy targets between model years 2012 to 2025 can be met with a 10% vehicle price increase (lightweight HEV powertrain), 31% increase in 0-96 km/h acceleration time (smaller engine), 17% interior volume decrease (smaller body), or 94% driving range decrease (BEV powertrain), while other attributes are maintained.
• How might CAFE standards affect the ability for non-petroleum vehicles to mitigate GHG emissions by displacing petroleum vehicles? Life cycle costing results indicate that there is a financial incentive for automakers to produce CNG vehicles that could emit higher well-to-wheel GHG emissions on a per kilometer basis than gasoline vehicles. This is permitted by CAFE standards because non-petroleum
fuel incentives allow vehicles using CNG to be less efficient, and thus potentially more affordable, than those using gasoline.
Advisors/Committee Members: MacLean, Heather L, Civil Engineering.
Subjects/Keywords: Alternative fuels; Electric vehicle; Fuel economy; Life cycle assessment; Life cycle costing; 0775
Record Details
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Luk, J. (2015). Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. (Doctoral Dissertation). University of Toronto. Retrieved from http://hdl.handle.net/1807/71626
Chicago Manual of Style (16th Edition):
Luk, Jason. “Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.” 2015. Doctoral Dissertation, University of Toronto. Accessed March 01, 2021.
http://hdl.handle.net/1807/71626.
MLA Handbook (7th Edition):
Luk, Jason. “Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles.” 2015. Web. 01 Mar 2021.
Vancouver:
Luk J. Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. [Internet] [Doctoral dissertation]. University of Toronto; 2015. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/1807/71626.
Council of Science Editors:
Luk J. Advancing Life Cycle Comparisons of Future Alternative Light-duty Vehicles. [Doctoral Dissertation]. University of Toronto; 2015. Available from: http://hdl.handle.net/1807/71626
Clemson University
20.
Ridout, John.
MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL.
Degree: PhD, Planning, Design, and the Built Environment, 2012, Clemson University
URL: https://tigerprints.clemson.edu/all_dissertations/945
► Despite the best intentions of public policy to cure societal ills, for the individual American consumer, the solution to the problem of automobile dependence…
(more)
▼ Despite the best intentions of public policy to cure societal ills, for the individual American consumer, the solution to the problem of automobile dependence is simple: buy an automobile. Consumers are alleviating societal pressure of not having a car rather than focusing on the negative impacts of vehicle usage after the purchase. Marketing and advertising play an important role in portraying how the public views transportation. Marketing reinforces automobile dependence and automobility by creating images and messages that say the norm of American life requires an automobile; therefore, marketing creates, controls, and reinforces values within the automobile consumer culture. Addressing automobile marketing as a part of transportation discourse is applied and applicable to a broader population, which can potentially shift the approach to automobile dependence and automobility. It offers a new approach that can expand the way planners approach automobile dependency. The objective of this research was to identify a relationship between automobility as a cultural norm and the ideology of marketed images of private vehicles. The two goals this study achieved were: 1) to characterize the message and ideology of vehicle marketing to inform a portion of the American mobility discourse and 2) to evaluate how the differences in the discourse of vehicle types interact with American values. This study examined automobile manufacturers' marketing materials used to advertise vehicles of two distinct
fuel-efficiency categories: passenger vehicles and light-duty trucks. A content analysis of marketing materials showed the dominant ideologies in these advertisements, such as land-use settings and values attributed to specific vehicles, while the theoretical lens of critical discourse analysis investigated the underlying power and ideology of the advertising media (Fairclough, 1989, 1995). The study found marketing has created specific links between vehicle types and land use and a connection and conflict with specific vehicles and nature; passenger vehicles were removed from rural landscapes, and messages presented to consumers conflicted with official designations in the federal Corporate Average
Fuel Economy (CAFE) system. Planners often view education as the means of convincing the public to support initiatives that reduce negative impacts of human activity; however, automobile marketing inundates the consumer public with messages of the automobile as a preferred travel mode serving as a critical part of American life. As a result, vehicle marketing contributes to the automobile-dependence discourse in a significant way that requires attention.
Advisors/Committee Members: Ellis, Cliff, Nocks , Barry, Meyer , Michael D.
Subjects/Keywords: Automobile Dependence; CAFE; Content Analysis; Critical Discourse Analysis; Fuel Economy; Marketing; Transportation
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Ridout, J. (2012). MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL. (Doctoral Dissertation). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_dissertations/945
Chicago Manual of Style (16th Edition):
Ridout, John. “MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL.” 2012. Doctoral Dissertation, Clemson University. Accessed March 01, 2021.
https://tigerprints.clemson.edu/all_dissertations/945.
MLA Handbook (7th Edition):
Ridout, John. “MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL.” 2012. Web. 01 Mar 2021.
Vancouver:
Ridout J. MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL. [Internet] [Doctoral dissertation]. Clemson University; 2012. [cited 2021 Mar 01].
Available from: https://tigerprints.clemson.edu/all_dissertations/945.
Council of Science Editors:
Ridout J. MARKETING IN AN AUTOMOBILE DEPENDENT SOCIETY: AN ANALYSIS OF CONSUMER-ORIENTED, INDUSTRY-PRODUCED ADVERTISING MATERIAL. [Doctoral Dissertation]. Clemson University; 2012. Available from: https://tigerprints.clemson.edu/all_dissertations/945
University of Tennessee – Knoxville
21.
Liu, Nawei.
Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance.
Degree: MS, Industrial Engineering, 2017, University of Tennessee – Knoxville
URL: https://trace.tennessee.edu/utk_gradthes/4974
► This study investigated potential impacts of the heterogeneity in consumer valuation of fuel economy on the compliance with fuel economy standards with two analytical…
(more)
▼ This study investigated potential impacts of the heterogeneity in consumer valuation of
fuel economy on the compliance with
fuel economy standards with two analytical approaches. One approach is to provide theoretical analysis of the heterogeneity impacts on the market acceptance of high-efficiency vehicles. The other approach utilizes a consumer choice based simulation method to analyze the heterogeneity impacts on the compliance with the Corporate Average
Fuel Economy (CAFE) Standards for the entire light duty vehicle fleet in the U.S. Our findings suggest two possible conditions which are defined based on relative acceptance of high-efficiency vehicles in the market, and they have different heterogeneity impacts: (1) the “Likely-Accept” condition – the CAFE compliance is highly possible, but the heterogeneity can add additional risks in the compliance; and (2) the “Likely-Reject” condition – the CAFE may have deficiency in compliance, but the heterogeneity can reduce the risks and improve the possibility in compliance. The two conditions are mainly dependent on consumers’ average valuation of
fuel economy in the market, and are also affected by other factors, such as incremental cost of
fuel efficiency technologies and future oil price projections.
Advisors/Committee Members: Mingzhou Jin, Zhenhong Lin, James Ostrowski.
Subjects/Keywords: fuel economy standards; heterogeneity; consumer valuation; light duty vehicle; consumer choice model; Industrial Engineering
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Liu, N. (2017). Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance. (Thesis). University of Tennessee – Knoxville. Retrieved from https://trace.tennessee.edu/utk_gradthes/4974
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Liu, Nawei. “Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance.” 2017. Thesis, University of Tennessee – Knoxville. Accessed March 01, 2021.
https://trace.tennessee.edu/utk_gradthes/4974.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Liu, Nawei. “Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance.” 2017. Web. 01 Mar 2021.
Vancouver:
Liu N. Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance. [Internet] [Thesis]. University of Tennessee – Knoxville; 2017. [cited 2021 Mar 01].
Available from: https://trace.tennessee.edu/utk_gradthes/4974.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Liu N. Impacts of the Heterogeneity in Consumer Valuation of Fuel Economy on Corporate Average Fuel Economy Standards Compliance. [Thesis]. University of Tennessee – Knoxville; 2017. Available from: https://trace.tennessee.edu/utk_gradthes/4974
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
The Ohio State University
22.
Chen, Pingen.
Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems.
Degree: PhD, Mechanical Engineering, 2014, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1416323165
► The application of modern Diesel engines in automotive industry has been widely recognized for reasons of their distinguished performances on fuel economy, durability, and reliability.…
(more)
▼ The application of modern Diesel engines in automotive
industry has been widely recognized for reasons of their
distinguished performances on
fuel economy, durability, and
reliability. Meanwhile, NOx and particulate matters (PM) emissions
have been the main concerns in the evolution of Diesel engines as
more and more stringent emission standards have been legislated
against Diesel engine emissions worldwide. In addition, as the
Greenhouse gas emissions are receiving more and more concerns due
to global warming issues, the demand of
fuel economy improvement is
increasing significantly. The objective of this research is to
develop systematic control methodologies, based on fundamental
insight into the system characteristics, to improve the overall
fuel economy and emission performance of integrated Diesel engine
and aftertreatment systems. The test platform of this research is a
medium-duty Diesel engine equipped with high-pressure common-rail
fuel injection system, dual-loop exhaust gas recirculation systems,
variable geometry turbocharger system, and an integrated
aftertreatment system including a Diesel oxidation catalyst (DOC),
Diesel particulate filter (DPF), and two-catalyst selective
catalytic reduction (SCR) system. The topics of this research fall
into two groups. The first group focuses on the modeling,
estimation, and control of integrated aftertreatment systems based
on the interactions between the subsystems with the objective of
maintaining low tailpipe emissions at low cost. Topics covered in
this group include the modeling and observer-based estimations for
oxygen concentration and thermal behaviors across the DOC and DPF,
state estimator design for SCR system using production NOx sensor
measurements, and the active NO/NO2 ratio controller design for DOC
and DPF to improve the SCR performance. The second group mainly
concentrates on the modeling, estimation, and control of integrated
engine-aftertreatment systems grounded on the interactions between
engine and aftertreatment systems to simultaneously maintain high
fuel efficiency and low tailpipe emissions. Topics contained in
this group include the air-fraction modeling and estimation for
Diesel engines coupled with aftertreatment systems during normal
operations and active DPF regenerations, control-oriented thermal
model for integrated Diesel engine and aftertreatment system active
thermal management, and integrated Diesel engine and aftertreatment
active NOx emissions control for
fuel economy improvement. The
control-oriented models, observers, and controllers of integrated
Diesel engine and aftertreatment systems proposed in this research,
when applied in automotive fields, have potentials of improving the
engine
fuel efficiency, reliability, and reducing tailpipe
emissions in systematic, real-time, and cost-effective
manners.
Advisors/Committee Members: Wang, Junmin (Advisor).
Subjects/Keywords: Mechanical Engineering; Diesel Engine; Aftertreatment Systems; Modeling; Estimation; Control; Fuel Economy; Emissions
Record Details
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Chen, P. (2014). Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1416323165
Chicago Manual of Style (16th Edition):
Chen, Pingen. “Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems.” 2014. Doctoral Dissertation, The Ohio State University. Accessed March 01, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1416323165.
MLA Handbook (7th Edition):
Chen, Pingen. “Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems.” 2014. Web. 01 Mar 2021.
Vancouver:
Chen P. Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems. [Internet] [Doctoral dissertation]. The Ohio State University; 2014. [cited 2021 Mar 01].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1416323165.
Council of Science Editors:
Chen P. Modeling, Estimation and Control of Integrated Diesel Engine
and Aftertreatment Systems. [Doctoral Dissertation]. The Ohio State University; 2014. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1416323165
The Ohio State University
23.
Jing, Junbo.
Vehicle Predictive Fuel-Optimal Control for Real-World
Systems.
Degree: PhD, Electrical and Computer Engineering, 2018, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1534506777487814
► In response of the world's increasing concern on carbon emissions, vehicle real-world fuel economy potential is being further developed by autonomy and connectivity, so as…
(more)
▼ In response of the world's increasing concern on
carbon emissions, vehicle real-world
fuel economy potential is
being further developed by autonomy and connectivity, so as to
achieve superior judgment and to eliminate
fuel waste by imperfect
human operations. A starting point is by redesigning the existing
Adaptive Cruise Control (ACC) system with route preview and optimal
control calculation, which is regarded as predictive optimal
control in this work. The work targets to provide algorithm
solutions for designing and implementing predictive optimal control
in a real-world vehicle system, covering the aspects of control,
estimation, and prediction.For control development, two algorithms
are designed for the scenarios of optimal car-following speed
control and optimal cruise control on a hilly route. The two
designs share a common concept that by previewing the upcoming
condition change, the vehicle control can be scheduled with a
constrained modulation range in trade of improved operation cost.
For the problem of optimal car-following speed control, which
contains a mixed-integer programming problem caused by gearshifts,
optimization complexity is broken down by a hybrid solver of
Quadratic Programming (QP) and Pontryain's Minimum Principle (PMP).
The solver partitions the problem into simplified sub-problems with
quick quasi-optimal solutions, so that the search space is
efficiently reduced to achieve constrained optimal control
solutions in real time. Control results show major
fuel saving
benefits with clean gear shifts. For the problem of cruising on a
hilly route, where the vehicle drives on a high gear and the engine
operates near the torque capacity curve, control solving encounters
the challenges by non-convex & non-affine constraints, along
with state-dependent system switching. To achieve flexibility in
optimal control solving, a PMP analytical solution set is developed
to self-expand forward in time, detecting the system's constraints
and switches while solving for the optimal control. To achieve the
deterministic optimal control solutions with robustness and high
efficiency, a shooting solver is developed to combine with the PMP
solution set and to work in a decoupled search method. The solver
package is demonstrated to beat the equivalent QP solver in
optimality, computation time, and memory usage. To maintain optimal
control result validity and accuracy for the real-world vehicle
system, issues for online estimating model parameters with
robustness and efficiency are addressed. The control-oriented model
is analyzed and adapted in balance of fitting fidelity, measurement
feasibility, and computation complexity. Estimation robustness
enforcement measures for resisting external noise and disturbances
are developed, using the example of road grade map error.
Furthermore, statistical ways of validating model estimation
results without ground truth knowledge are presented. The work also
provides two different vehicle speed prediction methods to generate
the prediction horizon for control calculation. One…
Advisors/Committee Members: Ozguner, Umit (Advisor).
Subjects/Keywords: Electrical Engineering; Model Predictive Control, Optimal Control, Vehicle Fuel
Economy, Model Estimation, Vehicle Speed Prediction
Record Details
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❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Jing, J. (2018). Vehicle Predictive Fuel-Optimal Control for Real-World
Systems. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1534506777487814
Chicago Manual of Style (16th Edition):
Jing, Junbo. “Vehicle Predictive Fuel-Optimal Control for Real-World
Systems.” 2018. Doctoral Dissertation, The Ohio State University. Accessed March 01, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1534506777487814.
MLA Handbook (7th Edition):
Jing, Junbo. “Vehicle Predictive Fuel-Optimal Control for Real-World
Systems.” 2018. Web. 01 Mar 2021.
Vancouver:
Jing J. Vehicle Predictive Fuel-Optimal Control for Real-World
Systems. [Internet] [Doctoral dissertation]. The Ohio State University; 2018. [cited 2021 Mar 01].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1534506777487814.
Council of Science Editors:
Jing J. Vehicle Predictive Fuel-Optimal Control for Real-World
Systems. [Doctoral Dissertation]. The Ohio State University; 2018. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1534506777487814
The Ohio State University
24.
Jiang, Siyu.
A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle.
Degree: MS, Mechanical Engineering, 2019, The Ohio State University
URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu156612591067731
► The automotive industry is driving towards electrification. As the emission and fuel economy standards get more stringent, manufactures are electrifying their vehicle platforms by developing…
(more)
▼ The automotive industry is driving towards
electrification. As the emission and
fuel economy standards get
more stringent, manufactures are electrifying their vehicle
platforms by developing more hybrid electric vehicles. Although new
technology boosts the
fuel economy, it also brings new challenges.
One of them is that customers often find discrepancies between the
rated
fuel economy number and the number they get during real world
operation. Therefore, there is a need to investigate the issue and
develop a new calibration process for optimizing the HEV
fuel
economy over both certification and real-world operation. In this
research, a model-based calibration process is developed. The
process uses meta-heuristic algorithms to optimize five look-up
tables that are relevant to
fuel economy of the HEV. Four different
meta-heuristic algorithms, namely PSO, GA and two hybrids, are
investigated and compared. It is found that PSO has reasonably good
performance and can deliver its performance consistently under
different conditions. Other algorithms may have better performance
under certain scenarios, but they are sensitive to constraints in
test problems and fail to get rational solutions in the real
problem. The research also investigates methods to reduce number of
parameters to optimize, the initialization of the optimization set
and ways to generate representative drive cycles based on
real-world driving data. The important thing is that these methods
are not vehicle-specific and therefore can be migrated to
calibration of other HEVs easily.
Advisors/Committee Members: Rizzoni, Giorgio (Advisor).
Subjects/Keywords: Mechanical Engineering; Hybrid Electric Vehicle; Fuel Economy Optimization; Meta-heuristic algorithms; PSO; GA; Hybrid Algorithm
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APA (6th Edition):
Jiang, S. (2019). A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle. (Masters Thesis). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu156612591067731
Chicago Manual of Style (16th Edition):
Jiang, Siyu. “A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle.” 2019. Masters Thesis, The Ohio State University. Accessed March 01, 2021.
http://rave.ohiolink.edu/etdc/view?acc_num=osu156612591067731.
MLA Handbook (7th Edition):
Jiang, Siyu. “A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle.” 2019. Web. 01 Mar 2021.
Vancouver:
Jiang S. A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle. [Internet] [Masters thesis]. The Ohio State University; 2019. [cited 2021 Mar 01].
Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu156612591067731.
Council of Science Editors:
Jiang S. A Comparison of PSO, GA and PSO-GA Hybrid Algorithms for
Model-based Fuel Economy Optimization of a Hybrid-Electric
Vehicle. [Masters Thesis]. The Ohio State University; 2019. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu156612591067731
Loughborough University
25.
Lan, Song.
The role of thermoelectric generator in the efficient operation of vehicles.
Degree: PhD, 2018, Loughborough University
URL: http://hdl.handle.net/2134/36309
► In the face of the internationally tightened requirements and regulations for CO2 emissions from the transportation sector, waste heat recovery using a thermoelectric generator (TEG)…
(more)
▼ In the face of the internationally tightened requirements and regulations for CO2 emissions from the transportation sector, waste heat recovery using a thermoelectric generator (TEG) has become the most significant research interest. A vehicular TEG, converting otherwise wasted thermal energy from engines to electricity directly for use in the vehicle systems, is a promising approach for vehicle original equipment manufacturers (OEMs) to reduce fuel consumption and lower CO2 emissions. This thesis aims to explore the main challenges to be faced in the commercialization of TEGs. Based on a review of the literature, four research gaps have been identified, which are respectively: * Translating the material improvements into TEG Performance, * Transient behaviors of vehicular TEGs under driving cycles, * Fuel saving percentage and cost-benefit estimation of TEG, * Bidirectional characteristic of TEM and bifunctional vehicular TEG. To directly address these research gaps, a quasi-static TEM model, a dynamic TEG model, a semi-empirical vehicular TEG model, and a dual-model TEM model have been respectively developed and validated through experiments on both TEM test rigs and TEG engine test benches. These developed models are used as tools to investigate the performance of TEG, parameters sensitivity, and integration effects. Model-based TEG control, TEG cost benefit ratio and feasibility of a bifunctional TEG are also explored based on the developed models. The simulation results show that TEG power generation is highly sensitive to the heat transfer coefficient of hot side heat exchanger and thermal contact resistance. The TEG installation position is identified as the most important integration effect. It has been found by the simulation result that the fuel saving with TEG installed upstream of the three-way catalyst (TWC) is 50% higher than the fuel saving with TEG installed downstream of the TWC. The fuel saving percentage for a skutterudite vehicular TEG, which can generate around 400-600W in constant speed 120km/h, is 0.5-3.6% depending on the integration position in the exhaust line. A 3-minute faster warm-up effect of engine oil can be obtained when the bifunctional TEG works in engine warm-up mode with electrical current applied.
Subjects/Keywords: 629.2; Thermoelectric generator; Waste-heat recovery; Dynamic model; Fuel economy; Engine warm-up
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Manager
APA (6th Edition):
Lan, S. (2018). The role of thermoelectric generator in the efficient operation of vehicles. (Doctoral Dissertation). Loughborough University. Retrieved from http://hdl.handle.net/2134/36309
Chicago Manual of Style (16th Edition):
Lan, Song. “The role of thermoelectric generator in the efficient operation of vehicles.” 2018. Doctoral Dissertation, Loughborough University. Accessed March 01, 2021.
http://hdl.handle.net/2134/36309.
MLA Handbook (7th Edition):
Lan, Song. “The role of thermoelectric generator in the efficient operation of vehicles.” 2018. Web. 01 Mar 2021.
Vancouver:
Lan S. The role of thermoelectric generator in the efficient operation of vehicles. [Internet] [Doctoral dissertation]. Loughborough University; 2018. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/2134/36309.
Council of Science Editors:
Lan S. The role of thermoelectric generator in the efficient operation of vehicles. [Doctoral Dissertation]. Loughborough University; 2018. Available from: http://hdl.handle.net/2134/36309
26.
DUONG HAI LONG.
FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS.
Degree: 2017, National University of Singapore
URL: http://scholarbank.nus.edu.sg/handle/10635/136502
Subjects/Keywords: fuel price; fuel economy; alternative fuel; information friction; CAFE standard; price salience
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APA (6th Edition):
LONG, D. H. (2017). FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS. (Thesis). National University of Singapore. Retrieved from http://scholarbank.nus.edu.sg/handle/10635/136502
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
LONG, DUONG HAI. “FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS.” 2017. Thesis, National University of Singapore. Accessed March 01, 2021.
http://scholarbank.nus.edu.sg/handle/10635/136502.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
LONG, DUONG HAI. “FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS.” 2017. Web. 01 Mar 2021.
Vancouver:
LONG DH. FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS. [Internet] [Thesis]. National University of Singapore; 2017. [cited 2021 Mar 01].
Available from: http://scholarbank.nus.edu.sg/handle/10635/136502.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
LONG DH. FUEL PRICES, REGULATIONS AND THE ADOPTION OF FUEL-SAVING TECHNOLOGIES AND ALTERNATIVE FUELS. [Thesis]. National University of Singapore; 2017. Available from: http://scholarbank.nus.edu.sg/handle/10635/136502
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Clemson University
27.
Perkins, Michael.
HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET.
Degree: MA, Economics, 2009, Clemson University
URL: https://tigerprints.clemson.edu/all_theses/666
► The implicit prices of automobile attributes are estimated with a hedonic model of new automobiles sold in the 2005 Australian market. The estimated marginal value…
(more)
▼ The implicit prices of automobile attributes are estimated with a hedonic model of new automobiles sold in the 2005 Australian market. The estimated marginal value of decreased
fuel consumption is found to be positively valued by drivers and car manufacturers. A comparison of explicit
fuel savings estimated with Australian automobile market statistics to the implicit
fuel savings estimated with the hedonic regression indicates that new automobile buyers accurately value the
fuel cost savings associated with reductions in
fuel consumption.
Advisors/Committee Members: Templeton, Scott R, Maloney , Michael T, Sauer , Raymond D, Espey , Molly.
Subjects/Keywords: Automobile; Fuel consumption; Fuel economy; Fuel efficiency; Hedonic; Willingness to pay; Economics
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Perkins, M. (2009). HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET. (Masters Thesis). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_theses/666
Chicago Manual of Style (16th Edition):
Perkins, Michael. “HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET.” 2009. Masters Thesis, Clemson University. Accessed March 01, 2021.
https://tigerprints.clemson.edu/all_theses/666.
MLA Handbook (7th Edition):
Perkins, Michael. “HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET.” 2009. Web. 01 Mar 2021.
Vancouver:
Perkins M. HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET. [Internet] [Masters thesis]. Clemson University; 2009. [cited 2021 Mar 01].
Available from: https://tigerprints.clemson.edu/all_theses/666.
Council of Science Editors:
Perkins M. HEDONIC ANALYSIS OF THE WILLINGNESS TO PAY FOR FUEL EFFICIENCY IN THE AUSTRALIAN AUTOMOBILE MARKET. [Masters Thesis]. Clemson University; 2009. Available from: https://tigerprints.clemson.edu/all_theses/666
University of Michigan
28.
Liu, Yimin.
The causes and effects of the Alternative Motor Fuels Act.
Degree: PhD, Social Sciences, 2007, University of Michigan
URL: http://hdl.handle.net/2027.42/126769
► The corporate average fuel economy (CAFE) standard is the major policy tool to improve the fleet average miles per gallon of automobile manufacturers in the…
(more)
▼ The corporate average
fuel economy (CAFE) standard is the major policy tool to improve the fleet average miles per gallon of automobile manufacturers in the U.S. The Alternative Motor Fuels Act (AMFA) provides special treatment in calculating the
fuel economy of alternative
fuel vehicles to give manufacturers CAFE incentives to produce more alternative
fuel vehicles. AMFA has as its goals an increase in the production of alternative
fuel vehicles and a decrease in gasoline consumption and greenhouse gas emissions. This dissertation examines theoretically the effects of the program set up under AMFA. It finds that, under some conditions, this program may actually increase gasoline consumption and greenhouse gas emissions. The dissertation also uses hedonic techniques to examine whether the Alternative Motor Fuels Act (AMFA) has a significant effect on the implicit price of
fuel economy and whether the marginal value of vehicle
fuel efficiency changes over time. It estimates the change of implicit price in miles per gallon after the production of alternative
fuel vehicles (AFVs). Results indicate that every year consumers may evaluate vehicle
fuel economy differently, and that since AFVs came to the market, the marginal value of
fuel economy from specific companies producing AFVs has decreased. This finding suggests that since the AMFA provides extra Corporate Average
Fuel Economy (CAFE) credit for those automakers producing AFVs, the automakers can take advantage of the incentive to produce more profitable conventional vehicles and meet CAFE standards without improving the fleet
fuel economy. In this way, manufacturers who produce AFVs are willing to offer a lower price for the
fuel economy under the AMFA. Additionally, this paper suggests that the flexible
fuel vehicles (FFVs) on the market are not significantly more expensive than comparable conventional vehicles, even if FFVs are also able to run on an alternative
fuel and may cost more than conventional vehicles. In other words, consumers may not notice the difference between flexible
fuel vehicles and conventional vehicles, or are not willing to pay higher prices for FFVs of the same make and model. When the U.S. House of Representatives passed the Alternative Fuels Motor Act (AMFA) in 1987, the representatives who did not vote outnumbered those who opposed the law. This dissertation uses a bivariate probit model with sample selection to study congressmen's two-step decisions – whether to vote and then how to vote – on the bill. Theories of political decision-making are examined and tested by the two-stage congressmen voting procedure, which confirms constituent economic interests, congressmen ideology and interest groups' contributions play important roles in congressmen's decision-making on economic policies. Furthermore, it suggests that ignoring congressmen not voting may lead to biased conclusions or inaccurate estimation of the influences of some factors. This study also compares the results from the two-step process with the results from the…
Advisors/Committee Members: Helfand, Gloria E. (advisor).
Subjects/Keywords: Alternative Motor Fuels Act; Causes; Effects; Flexible Fuel Vehicles; Fuel Economy; Vehicle Prices
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APA ·
Chicago ·
MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Liu, Y. (2007). The causes and effects of the Alternative Motor Fuels Act. (Doctoral Dissertation). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/126769
Chicago Manual of Style (16th Edition):
Liu, Yimin. “The causes and effects of the Alternative Motor Fuels Act.” 2007. Doctoral Dissertation, University of Michigan. Accessed March 01, 2021.
http://hdl.handle.net/2027.42/126769.
MLA Handbook (7th Edition):
Liu, Yimin. “The causes and effects of the Alternative Motor Fuels Act.” 2007. Web. 01 Mar 2021.
Vancouver:
Liu Y. The causes and effects of the Alternative Motor Fuels Act. [Internet] [Doctoral dissertation]. University of Michigan; 2007. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/2027.42/126769.
Council of Science Editors:
Liu Y. The causes and effects of the Alternative Motor Fuels Act. [Doctoral Dissertation]. University of Michigan; 2007. Available from: http://hdl.handle.net/2027.42/126769
Brno University of Technology
29.
Malinský, Marek.
Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines.
Degree: 2019, Brno University of Technology
URL: http://hdl.handle.net/11012/4834
► The aim of this project is to point out the significance of binary-fuel compression-ignition engines and alternative fuels. It introduces comparison of bio fuels and…
(more)
▼ The aim of this project is to point out the significance of binary-
fuel compression-ignition engines and alternative fuels. It introduces comparison of bio fuels and its influence on the function of the engine, and ecological load. It especially raises bio oil as an alternative
fuel for compression-ignition engines. Advantages and disadvantages of bio fuels, most common defects and their consequences, and development trends are also mentioned.
Advisors/Committee Members: Dundálek, Radim (advisor), Svída, David (referee).
Subjects/Keywords: Dvoupalivový systém; alternativní paliva; výzkum a vývoj; motorová nafta; emise; ekonomika; palivový článek; Binary-fuel system; alternative fuels; research and development; diesel oil; emission; economy; fuel cell
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APA ·
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MLA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Malinský, M. (2019). Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/4834
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Malinský, Marek. “Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines.” 2019. Thesis, Brno University of Technology. Accessed March 01, 2021.
http://hdl.handle.net/11012/4834.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Malinský, Marek. “Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines.” 2019. Web. 01 Mar 2021.
Vancouver:
Malinský M. Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Mar 01].
Available from: http://hdl.handle.net/11012/4834.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Malinský M. Dvoupalivové systémy dieselových motorů: Two-fuel systems of CI engines. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/4834
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Linnaeus University
30.
Andrén, Filip.
Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer.
Degree: Kalmar Maritime Academy, 2016, Linnaeus University
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558
► Följande studie är gjord på uppdrag av Sjöfartsverket. I studien undersöktes hur en installation av ett Common Rail-system ombord på isbrytaren Ymer påverkat bränsleförbrukningen…
(more)
▼ Följande studie är gjord på uppdrag av Sjöfartsverket. I studien undersöktes hur en installation av ett Common Rail-system ombord på isbrytaren Ymer påverkat bränsleförbrukningen samt utsläppen av kväveoxider. Rådata som loggats ombord på Ymer har analyserat och bearbetat. Material och information från tillverkare, besättning samt teknisk chef på Sjöfartsverket, Albert Hagander har använts under studien. Tillsammans med uppmätta mätdata och tidigare gjord litteraturstudie stöds resultaten i studien. Det är ingen slump att system av Common Rail-typ redan är tillämpat inom de flesta branscher så som transport, personbilsindustri och jordbruk. Huvudsyftet med Common Rail är att minska bränsleåtgången samt minska utsläppen genom en renare och mer effektiv förbränning av bränslet. Huvudsakligen undersöktes hur det nyinstallerade systemet påverkat bränsleförbrukningen och hur bränslebesparingen varierar med belastningen av maskinen. Vidare granskades hur utsläppen av kvävedioxider påverkats efter installationen. Problematiken med ökad NOx-produktion till följd av en högre förbränningstemperatur som Common Railsystemet medför diskuteras i rapporten. De resultat vi kommit fram till att en bränslebesparing kan göras ombord på Ymer genom att ersätta det gamla bränslesystemet med ett bränslesystem av Common Rail-typ. Vidare har installationen medfört andra förbättringar så som fartygsmaskinens reaktion på de många lastväxlingar som förekommer under isbrytning.
The following study has been carried out on behalf of Sjöfartsverket. The study examines how the installation of a common rail system on board the icebreaker Ymer affected fuel consumption and emissions of nitrogen oxides. The raw data logged on board Ymer was analyzed and processed. Materials and information from manufacturers, crew and the technical manager at the Swedish Maritime Administration, Albert Hagander have been used during the study. Together with measured data and previously made research study the findings of the study are supported. It is no coincidence that the system of the common rail type is already applied in most industries such as transport, car industry and agriculture. The main purpose of the Common Rail is to reduce fuel consumption and reduce emissions through cleaner and more efficient combustion of the fuel. We primarily examined how the newly installed system affected fuel consumption and the fuel savings will vary with the load of the machine. Furthermore, we examined how emissions of nitrogen oxides were affected after installation. The problem of increased NOx production due to a higher combustion temperature as the common rail system entails are discussed in the report. The result that was concluded was that fuel savings can be made on board Ymer by replacing the old fuel system with a common rail fuel type. Furthermore, the installation has brought other improvements such as ship machine's reaction to the many load changes that occur during icebreaking.
Subjects/Keywords: Fuel injection system; Common Rail; fuel consumption; fuel economy; marine diesel engine; icebreaker; nitrogen oxides; NOx; High pressure fuel system; Bränsleesystem; Common Rail; bränsleförbrukning; bränslebesparing; fartygsmaskineri; isbrytare; kväveoxider; NOx; Högtrycksinsprutningssystem; Mechanical Engineering; Maskinteknik
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APA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Andrén, F. (2016). Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer. (Thesis). Linnaeus University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Andrén, Filip. “Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer.” 2016. Thesis, Linnaeus University. Accessed March 01, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Andrén, Filip. “Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer.” 2016. Web. 01 Mar 2021.
Vancouver:
Andrén F. Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer. [Internet] [Thesis]. Linnaeus University; 2016. [cited 2021 Mar 01].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Andrén F. Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer. [Thesis]. Linnaeus University; 2016. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
◁ [1] [2] [3] [4] [5] ▶
. 
Open Access Theses and Dissertations