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National security, safety, technology, and employment implications of increasing CAFE standards : he

United States. Congress. Senate. Committee on Commerce, Science, and Transportation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2006. 2006

Transportation sector fuel efficiency : hearing before the Committee on Energy and Natural Resources

United States. Congress. Senate. Committee on Energy and Natural Resources.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007. 2007