Energy security and oil dependence : recommendations on policies and funding to reduce U.S. oil dependence : hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Tenth Congress, first session, special hearing, May 8, 2007, Washington, DC. [electronic resource]
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.