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Regulations last checked for updates: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
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Title 40
Chapter I
Part 600
Subpart C - Subpart C—Procedures for Calculating Fuel Economy and Carbon-Related Exhaust Emission Values
§ 600.206-12 - Calculation and use of FTP-based and HFET-based fuel economy, CO2 emissions, and carbon-related exhaust emission values for vehicle configurations.
§ 600.207-12 - Calculation and use of vehicle-specific 5-cycle-based fuel economy and CO2 emission values for vehicle configurations.
§ 600.208-12 - Calculation of FTP-based and HFET-based fuel economy, CO2 emissions, and carbon-related exhaust emissions for a model type.
§ 600.209-12 - Calculation of vehicle-specific 5-cycle fuel economy and CO2 emission values for a model type.
§ 600.210-12 - Calculation of fuel economy and CO2 emission values for labeling.
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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