Incentives for Greener Transportation
Muehlegger, Erich, and Kelly Sims Gallagher. "Giving green to get green? Incentives and consumer adoption of hybrid vehicle technology." Journal of Environmental Economics and Management, January 2011, vol. 61, no. 1, pp. 1-15.
Earlier working paper version
Sexton, Alison, and Steven Sexton. "Conspicuous Conservation: The Prius Effect and Willingness to Pay for Environmental Bona Fides." Working paper, April 21, 2011.
Shewmake, Sharon, and Lovell Jarvis. "Hybrid Cars and HOV Lanes." Working paper, April 29, 2011.