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Regulations last checked for updates: May 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
All Titles
Title 40
Chapter I
Part 1066
Subpart I - Subpart I—Exhaust Emission Test Procedures for Motor Vehicles
§ 1066.801 - Applicability and general provisions.
§ 1066.805 - Road-load power, test weight, and inertia weight class determination.
§ 1066.810 - Vehicle preparation.
§ 1066.815 - Exhaust emission test procedures for FTP testing.
§ 1066.816 - Vehicle preconditioning for FTP testing.
§ 1066.820 - Composite calculations for FTP exhaust emissions.
§ 1066.830 - Supplemental Federal Test Procedures; overview.
§ 1066.831 - Exhaust emission test procedures for aggressive driving.
§ 1066.835 - Exhaust emission test procedure for SC03 emissions.
§ 1066.840 - Highway fuel economy test procedure.
§ 1066.845 - AC17 air conditioning efficiency test procedure.
authority:
42 U.S.C. 7401-7671q.
source:
79 FR 23823, Apr. 28, 2014, unless otherwise noted.
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