U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jun 21, 2025
All Titles
Title 40
Chapter I
Part 600
Subpart B - Subpart B—Fuel Economy and Carbon-Related Exhaust Emission Test Procedures
§ 600.101 - Testing overview.
§ 600.107-08 - Fuel specifications.
§ 600.111-08 - Test procedures.
§ 600.113-12 - Fuel economy, CO2 emissions, and carbon-related exhaust emission calculations for FTP, HFET, US06, SC03 and cold temperature FTP tests.
§ 600.114-12 - Vehicle-specific 5-cycle fuel economy and carbon-related exhaust emission calculations.
§ 600.115-11 - Criteria for determining the fuel economy label calculation method.
§ 600.116-12 - Special procedures related to electric vehicles and hybrid electric vehicles.
§ 600.117 - Interim provisions.
Download the GovRegs app!
