PART 85—CONTROL OF AIR POLLUTION FROM MOBILE SOURCES
- SUBPART F—Exemption of Aftermarket Conversions From Tampering Prohibition (§85.501 to §85.505)
- SUBPART O—Urban Bus Rebuild Requirements (§85.1401 to §85.1415)
- SUBPART P—Importation of Motor Vehicles and Motor Vehicle Engines (§85.1501 to §85.1515)
- SUBPART R—Exclusion and Exemption of Motor Vehicles and Motor Vehicle Engines (§85.1701 to §85.1715)
- SUBPART S—Recall Regulations (§85.1801 to §85.1808)
- SUBPART T—Emission Defect Reporting Requirements (§85.1901 to §85.1909)
- SUBPART V—Emissions Control System Performance Warranty Regulations and Voluntary Aftermarket Part Certification Program (§85.2101 to §85.2123)
- SUBPART W—Emission Control System Performance Warranty Short Tests (§85.2201 to §85.2238)
- 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 (§85.2301 to §85.2305)
- SUBPART Y—Fees for the Motor Vehicle and Engine Compliance Program (§85.2401 to §85.2401)