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David L. Greene



Ph.D., Geography and Environmental Engineering, The Johns Hopkins University

David L. Greene is a Senior Fellow of the Howard H. Baker, Jr. Center for Public Policy and a Research Professor in the Department of Civil and Environmental Engineering. In 2013 he retired from Oak Ridge National Laboratory as a Corporate Fellow. He is an author of 300 professional publications on transportation and energy issues, including over 100 articles in peer-reviewed journals and 13 National Research Council reports. The 2012 recipient of the Transportation Research Board’s Roy W. Crum Award, he is also an emeritus member of both the Energy and Alternative Fuels Committees of the TRB and a lifetime National Associate of the U.S. National Academies. He received the Society of Automotive Engineers’ Barry D. McNutt Award for Excellence in Automotive Policy Analysis, the Department of Energy’s 2007 Hydrogen R&D Award, DOE 2011 Vehicle Technologies R&D Award, and DOE Distinguished Career Service Award. Dr. Greene was recognized by the Intergovernmental Panel on Climate Change for contributing to the IPCC’s receipt of the 2007 Nobel Peace Prize.  He has testified to committees of the U.S. Congress on a dozen occasions. Complete vita available here:


Transportation and energy issues, alternative fuels, fuel economy, costs of oil dependence


D.L. Greene, E. Kontou, B. Borlaug, A. Brooker, M. Muratori, 2020. “Public charging infrastructure for electric vehicles: What is it worth?”, Transportation Research D, vol. 78: 102182, .

D.L. Greene, 2019. “Implications of Behavioral Economics for the Costs and Benefits of Fuel Economy Standards”, Current Sustainable/Renewable Energy Reports, pp. 1-16 in Topical Collection on Transportation, D. Chen, ed., .

Behram Wali, Asad J. Khattak, David L Greene & Jun Liu, 2018. “Fuel economy gaps within and across garages: A bivariate random parameters seemingly unrelated regression approach”, International Journal of Sustainable Transportation, DOI: 10.1080/15568318.2018.1466222, published online 9/11/2018.

D.L. Greene and J.G. Welch, 2018. “Impacts of fuel economy improvements on the distribution of income in the US”, Energy Policy, vol. 122, pp. 528-541.

D.L. Greene, A. Hossain, J. Hofmann, G. Helfand and R. Beach, 2018. Consumer willingness to pay for vehicle attributes: What do we know?, Transportation Research A, vol.118, pp. 258-279.

D.L. Greene, A. Hossain, J. Hofmann and R. Beach, 2018. Consumer Willingness to Pay for Vehicle Attributes: What is the Current State of Knowledge?, EPA-420-R-18-016, Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, Ann Arbor, MI, July, 2018.

Wali, B., Greene, D. L., Khattak, A. J., & Liu, J. (2018). “Analyzing within garage fuel economy gaps to support vehicle purchasing decisions–A copula-based modeling & forecasting approach”, Transportation Research Part D, vol. 63, pp. 186-208.

D.L. Greene and G. Parkhurst, 2017. “Decarbonizing Transport for a Sustainable Future: Mitigating the Impacts of Climate Change”, in Proceedings of the Fifth EU-US Transportation Research Symposium of the same name, Transportation Research Board, National Academies of Sciences, Engineering and Medicine, Washington, DC.

“A Trillion Gallons of Gasoline”, On-Point 5:17, Howard H. Baker, Jr. Center for Public Policy, August, 2017, “A Trillion Gallons of Gasoline” OnPoint-5-2017.

D.L. Greene, J. Liu, A.J. Khattak, B. Wali, J.L. Hopson and R. Goeltz, 2017. “How does on-road fuel economy vary with vehicle cumulative mileage and daily use”, Transportation Research Part D, vol. 55, pp. 142-161.

D.L. Greene and J.G. Welch, The Impact of Increased Fuel Economy for Light-Duty Vehicles on the Distribution of Income in the U.S.: A Retrospective and Prospective Analysis, White Paper 2:17, Howard H. Baker, Jr. Center for Public Policy, The University of Tennessee, available at , March 2017.

D.L. Greene, “Rollback Fuel Economy Standards? For Whose Benefit?”, On Point 1:17, Howard H. Baker, Jr. Center for Public Policy, the University of Tennessee, available at, March 2017.

D.L. Greene, A.J. Khattak, J. Liu, X. Wang, J.L. Hopson and R. Goeltz, 2017. “What is the evidence concerning the gap between on-road and Environmental Protection Agency fuel economy ratings?”, Transport Policy, vol. 53, pp. 146-160.

“Transportation and Energy”, chapter 12 in The Geography of Urban Transportation, Edition 4, G. Giuliano and S. Hanson, eds., The Guilford Press, New York, 2017.

D.L. Greene, A. Khattak, J. Liu, J.L. Hopson, X. Wang and R. Goeltz, 2015. How do Motorists’ Own Fuel Economy Estimates Compare with Official Government Ratings? A Statistical Analysis, Baker Report 4:15, Howard H. Baker, Jr. Center for Public Policy, The University of Tennessee, Knoxville, September 30, 2015.  Available at .

D.L. Greene and C.Z. Liu, “U.S. Oil Dependence 2014: Is Energy Independence in Sight?”, Energy Policy, vol. 85, pp. 126-137, published on line at, June 10, 2015.

C. Liu and D.L. Greene, 2015. “Consumer Choice of E85: Price Sensitivity and Cost of Limited Fuel Availability”,Transportation Research Record, Journal of the Transportation Research Board, No. 2454, pp. 20-27.

D.L. Greene, C.Z. Liu and S. Park, 2014. “Public Policy and the Transition to Electric Drive Vehicles in the U.S.: The Role of the Zero Emission Vehicles Mandates”, Energy Strategy Reviews, vol. 5, pp. 66-77.

C. Liu, D.L. Greene and D.S. Bunch, 2014. “Vehicle Manufacturer Technology Adoption and Pricing Strategies under Fuel Economy/Emissions Standards, and Feebates”, The Energy Journal, vol. 35, no. 3, pp. 71-90.

D.L. Greene, S. Park and C. Liu, 2013. “Analyzing the Transition to Electric Drive Vehicles in the U.S.”, Futures, vol. 58, April 2014, pp. 34-52.

D.L. Greene and D.H. Evans and J. Hiestand, “Survey evidence on the willingness of U.S. consumers to pay for automotive fuel economy,” Energy Policy, vol. 61, pp. 1539-1550, 2013.

D.L. Greene, “Rebound 2007: Analysis of National Light-Duty Vehicle Travel Statistics,” Energy Policy, vol. 41, pp. 14-28, 2012.

D.L. Greene, “Uncertainty, Loss Aversion and Markets for Energy Efficiency”, Energy Economics, vol. 33, pp. 608-616, 2011.

D.L. Greene, “What’s Greener than a VMT Tax? The Case for an Indexed Energy User Fee to Finance U.S. Surface Transportation,” Transportation Research D-Environment, vol. 16, pp. 451-458, 2011.