U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter VPart 531 - PART 531—PASSENGER AUTOMOBILE AVERAGE FUEL ECONOMY STANDARDS
View all text of Part 531 [§ 531.1 - § 531.6]
§ 531.1 - Scope.

This part establishes average fuel economy standards pursuant to 49 U.S.C. 32902 for passenger automobiles.

[89 FR 52945, June 24, 2024]
© 2016 GovRegs | About | Disclaimer | Privacy