Trade enhancement : hearings before the Subcommittee on Commerce, Consumer Protection, and Competitiveness of the Committee on Energy and Commerce, House of Representatives, One Hundred Second Congress, second session, on H.R. 4100, a bill to assure mutually advantageous international trade in motor vehicles and motor vehicle parts, an enhanced market for the interstate sale and export of domestically produced motor vehicles and motor vehicle parts, and the retention and enhancement of U.S. jobs, March 5, 25, and April 8, 1992.