49 CFR 538.4 - Definitions.
(1) The terms alternative fuel, alternative fueled automobile, and dual fueled automobile, are used as defined in 49 U.S.C. 32901(a).
(4) The term model year is used as defined in 49 U.S.C. 32901(a)(15).
(1) Other terms. The terms average fuel economy, fuel economy, and model type are used as defined in subpart A of 40 CFR part 600.
(2) The term EPA means the U.S. Environmental Protection Agency.