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
40 CFR Part 85 Subpart X
Citation40 CFR Part 85 Subpart X
ContainsSections § 85.2301–§ 85.2305
CorpusDaily eCFR
Displayed edition2026-09-10
Last updated2026-09-10
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