Final environmental impact statement corporate average fuel economy standards, passenger cars and light trucks, MYs 2012-2016

Examining federal vehicle technology research and development programs hearing before the Subcommittee on Energy and Environment, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, March 24, 2009

The economic costs of fuel economy standards versus a gasoline tax

How would proposed fuel economy standards affect the Highway Trust Fund?

Intermodal shipping : a glance at clean freight strategies

Opportunities to improve energy security and the environment through transportation policy : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, second session, March 24, 2010

Issues for surface transportation authorization : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, April 14, 2011