Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
§ 1037.1 - Applicability.

(a) The regulations in this part apply for all new heavy-duty vehicles, except as provided in § 1037.5. This includes battery electric vehicles, fuel cell electric vehicles, and vehicles fueled by conventional and alternative fuels.

(b) The provisions of this part apply for alternative fuel conversions as specified in 40 CFR part 85, subpart F.

[81 FR 74048, Oct. 25, 2016, as amended at 88 FR 4635, Jan. 24, 2023; 89 FR 29765, Apr. 22, 2024]
authority: 42 U.S.C. 7401—7671q
source: 81 FR 74048, Oct. 25, 2016, unless otherwise noted.
cite as: 40 CFR 1037.1