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  2. Regulations for Emissions from Vehicles and Engines

Final Rule for Control of Emissions of Hazardous Air Pollutants From Mobile Sources - 40 CFR Parts 80 and 86

Final Rule for Control of Emissions of Hazardous Air Pollutants From Mobile Sources - 40 CFR Parts 80 and 86
Basic Information
Code of Federal Regulations Citations
  • 40 CFR Part 80
  • 40 CFR Part 86
Docket Numbers
  • EPA-HQ-ADD-0000-0000

On this page:

  • Rule Summary
  • Additional Resources

Rule Summary

Amendments
  • 2005 Baseline Revision

This action addresses emissions of hazardous air pollutants (HAPs) from motor vehicles and their fuels. Hazardous air pollutants refer to a range of compounds that are known or suspected to have serious health or environmental impacts. Motor vehicles are significant contributors to national emissions of several hazardous air pollutants, notably benzene, formaldehyde, 1,3-butadiene, acetaldehyde, and diesel particulate matter and diesel exhaust organic gases.

  • Final Rule (pdf) (322 KB, published March 29, 2001)
  • Technical Support Document (pdf) ( 592 KB, EPA420-R-00-023, December 2000)
  • Response to Comments (pdf) (415 KB, EPA420-R-00-024, December 2000)

Additional Resources

  • Questions and Answers: Control of Emissions of Hazardous Air Pollutants From Mobile Sources (pdf) (25.5 KB, EPA420-F-01-031, October 2001)
  • Fact Sheet: Control of Emissions of Hazardous Air Pollutants From Mobile Sources (pdf) (43.0 KB, EPA420-F-00-055, December 2000)

Regulations for Emissions from Vehicles and Engines

  • Onroad
    • Passenger Vehicles
    • Commercial Trucks & Buses
    • Motorcycles
  • Nonroad
    • Aircraft
    • Heavy Equipment
    • Locomotives
    • Marine
    • Recreational Vehicles
    • Small Equipment & Tools
  • Greenhouse Gas
Contact Us About Regulations for Emissions from Vehicles and Engines
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 13, 2025
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