Section, Pub. L. 92–513, title V, § 511, as added Pub. L. 94–163, title III, § 301, Dec. 22, 1975, 89 Stat. 915; amended Pub. L. 103–272, § 4(c), July 5, 1994, 108 Stat. 1361, provided for establishment of program of examination of fuel economy representations in connection with installation of retrofit devices. See section 32918 of Title 49, Transportation.