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Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 85 - PART 85—CONTROL OF AIR POLLUTION FROM MOBILE SOURCES
Subpart A - Subparts A-E [Reserved]
Subpart F [§ 85.501 - § 85.535] - Subpart F—Exemption of Clean Alternative Fuel Conversions From Tampering Prohibition
Subpart G - Subparts G-O [Reserved]
Subpart P [§ 85.1501 - § 85.1515] - Subpart P—Importation of Motor Vehicles and Motor Vehicle Engines
Subpart Q - Subpart Q [Reserved]
Subpart R [§ 85.1701 - § 85.1716] - Subpart R—Exclusion and Exemption of Motor Vehicles and Motor Vehicle Engines
Subpart S [§ 85.1801 - § 85.1808] - Subpart S—Recall Regulations
Subpart T [§ 85.1901 - § 85.1909] - Subpart T—Emission Defect Reporting Requirements
Subpart U - Subpart U [Reserved]
Subpart V [§ 85.2101 - § 85.2123] - Subpart V—Warranty Regulations and Voluntary Aftermarket Part Certification Program
Subpart W [§ 85.2201 - § 85.2231] - Subpart W—Emission Control System Performance Warranty Tests
Subpart X [§ 85.2301 - § 85.2305] - Subpart X—Determination of Model Year for Motor Vehicles and Engines Used in Motor Vehicles Under Section 177 and Part A of Title II of the Clean Air Act
Subpart Y [§ 85.2401 - § 85.2401] - Subpart Y—Fees for the Motor Vehicle and Engine Compliance Program
authority:
42 U.S.C. 7401-7671q.
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