Energy efficiency and alternative fuel vehicles [electronic resource] : hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Twelfth Congress, first session, on S. 963, S. 1000, S. 1001, June 9, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.
