Regulations last checked for updates: Nov 24, 2024

Title 49 - Transportation last revised: Nov 18, 2024
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]
authority: 49 U.S.C. 32902,delegation.95
source: 87 FR 26070, May 2, 2022, unless otherwise noted.
cite as: 49 CFR 531.1
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