US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter V — NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 538 — MANUFACTURING INCENTIVES FOR ALTERNATIVE FUEL VEHICLES538.349 C.F.R. § 538.3Applicability.Last amended: 2016Year: 2026Length: 7 wordsOfficial source Cite as 49 C.F.R. § 538.3 (2026)This part applies to manufacturers of automobiles.Previous49 C.F.R. § 538.2Next49 C.F.R. § 538.4