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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
All Titles
Title 40
Chapter I
Part 610
Subpart D - Subpart D—General Vehicle Test Procedures
§ 610.40 - General.
§ 610.41 - Test configurations.
§ 610.42 - Fuel economy measurement.
§ 610.43 - Chassis dynamometer procedures.
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