U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jul 17, 2025

All TitlesTitle 40Chapter IPart 600Subpart A - Subpart A—General Provisions
§ 600.001 - General applicability.
§ 600.002 - Definitions.
§ 600.003 - Abbreviations.
§ 600.005 - Maintenance of records and rights of entry.
§ 600.006 - Data and information requirements for fuel economy data vehicles.
§ 600.007 - Vehicle acceptability.
§ 600.008 - Review of fuel economy, CO2; emissions, and carbon-related exhaust emission data, testing by the Administrator.
§ 600.009 - Hearing on acceptance of test data.
§ 600.010 - Vehicle test requirements and minimum data requirements.
§ 600.011 - Incorporation by reference.
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