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Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 600 - PART 600—FUEL ECONOMY AND GREENHOUSE GAS EXHAUST EMISSIONS OF MOTOR VEHICLES
Subpart A [§ 600.001 - § 600.011] - Subpart A—General Provisions
Subpart B [§ 600.101 - § 600.117] - Subpart B—Fuel Economy and Carbon-Related Exhaust Emission Test Procedures
Subpart C [§ 600.206-12 - § 600.210-12] - Subpart C—Procedures for Calculating Fuel Economy and Carbon-Related Exhaust Emission Values
Subpart D [§ 600.301 - § 600.316-08] - Subpart D—Fuel Economy Labeling
Subpart E [§ 600.405-08 - § 600.407-08] - Subpart E—Dealer Availability of Fuel Economy Information
Subpart F [§ 600.502 - § 600.514-12] - Subpart F—Procedures for Determining Manufacturer's Average Fuel Economy and Manufacturer's Average Carbon-Related Exhaust Emissions
authority:
49 U.S.C. 32901
—23919q, Pub. L. 109-58
source:
41 FR 38685, Sept. 10, 1976, unless otherwise noted.
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