Clean Air Act : alternative fuels and fuel additives : hearing before the Subcommittee on Clean Air, Climate Change, and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Eighth Congress, first session, on provisions of the Clean Air Act to support clean-burning fuel alternatives, March 20, 2003.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2004.