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Regulations last checked for updates: Apr 26, 2025
Title 40 - Protection of Environment last revised: Nov 26, 2025
All Titles
Title 40
Chapter I
Part 1039
Subpart G - Subpart G—Special Compliance Provisions
§ 1039.601 - What compliance provisions apply?
§ 1039.605 - What provisions apply to engines certified under the motor-vehicle program?
§ 1039.610 - What provisions apply to vehicles certified under the motor-vehicle program?
§ 1039.615 - What special provisions apply to engines using noncommercial fuels?
§ 1039.620 - What are the provisions for exempting engines used solely for competition?
§ 1039.625 - What requirements apply under the program for equipment-manufacturer flexibility?
§ 1039.626 - What special provisions apply to equipment imported under the equipment-manufacturer flexibility program?
§ 1039.627 - What are the incentives for equipment manufacturers to use cleaner engines?
§ 1039.630 - What are the economic hardship provisions for equipment manufacturers?
§ 1039.635 - What are the hardship provisions for engine manufacturers?
§ 1039.645 - What special provisions apply to engines used for transportation refrigeration units?
§ 1039.650 - [Reserved]
§ 1039.655 - What special provisions apply to engines sold in American Samoa or the Commonwealth of the Northern Mariana Islands?
§ 1039.665 - Special provisions for use of engines in emergency situations.
§ 1039.670 - Approval of an emergency equipment field modification (EEFM).
§ 1039.699 - Emission standards and certification requirements for auxiliary power units for highway tractors.
authority:
42 U.S.C. 7401-7671q.
source:
69 FR 39213, June 29, 2004, unless otherwise noted.
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