CFR›Title 49›Subtitle B›Chapter V›Part 533 ContainsSections 533.1–533.6; Appendix ACorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 PART 533—LIGHT TRUCK FUEL ECONOMY STANDARDSLink to an amendment published at 91 FR 62279, Sept. 30, 2026. Contents 533.1 § 533.1 Scope. 533.2 § 533.2 Purpose. 533.3 § 533.3 Applicability. 533.4 § 533.4 Definitions. 533.5 § 533.5 Requirements. 533.6 § 533.6 Measurement and calculation procedures. Appendix A to Part 533 Appendix A to Part 533—Example of Calculating Compliance Under § 533.5(i) Authority49 U.S.C. 32902; delegation of authority at 49 CFR 1.95.Source87 FR 26076, May 2, 2022, unless otherwise noted. Previous 531 Part 531—Passenger Automobile Average Fuel Economy Standards Next 534 Part 534—Rights and Responsibilities of Manufacturers in the Context of Changes in Corporate Relationships
PART 533—LIGHT TRUCK FUEL ECONOMY STANDARDSLink to an amendment published at 91 FR 62279, Sept. 30, 2026.