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Regulations last checked for updates: Apr 30, 2025
Title 40 - Protection of Environment last revised: Nov 30, 2025
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Title 40
Chapter I
Part 600
Subpart F - Subpart F—Procedures for Determining Manufacturer's Average Fuel Economy and Manufacturer's Average Carbon-Related Exhaust Emissions
§ 600.502 - Definitions.
§ 600.507-12 - Running change data requirements.
§ 600.509-12 - Voluntary submission of additional data.
§ 600.510-12 - Calculation of average fuel economy and average carbon-related exhaust emissions.
§ 600.511-08 - Determination of domestic production.
§ 600.512-12 - Model year report.
§ 600.513-08 - Gas Guzzler Tax.
§ 600.514-12 - Reports to the Environmental Protection Agency.
Appendix Appendix I - Appendix I to Part 600—Highway Fuel Economy Driving Schedule
Appendix Appendix II - Appendix II to Part 600—Sample Fuel Economy Calculations
Appendix Appendix III - Appendix III to Part 600—Sample Fuel Economy Label Calculation
Appendix - Appendixes IV-V to Part 600 [Reserved]
Appendix Appendix VI - Appendix VI to Part 600—Sample Fuel Economy Labels and Style Guidelines for 2013 and Later Model Years
Appendix Appendix VII - Appendix VII to Part 600 [Reserved]
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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