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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

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Vehicles and Engines

  • Vehicles and Engines

    On this page, you will find links to information about nonroad engines and highway vehicles.

Importing into the
United States

A harbor where ships load and unload cargo. A link to https://www.epa.gov/importing-vehicles-and-engines
  • Learn about importing
  • Publications and forms
  • Importing Canadian vehicles
  • Information for independent commercial importers (ICIs)
  • Certification guidance
  • Exporting

Certification and Compliance

A button on an electronic device to select Compliance information. A link to https://www.epa.gov/ve-certification
  • Overview of certification & compliance
  • Onroad
  • Nonroad
  • How to register for the EV-CIS System

Regulations for Emissions

A gavel a judge would use. A link to https://www.epa.gov/regulations-emissions-vehicles-and-engines
  • Regulations for highway vehicles and engines
  • Regulations for nonroad vehicles and engines
  • Greenhouse gas regulations
  • Federal Fleet Requirements (EISA 141)

Fuel Economy
 

A fuel pump at a station. A link to https://www.epa.gov/fueleconomy
  • Basic information on fuel economy labeling
  • Automotive Trends Report
  • Find a SmartWay vehicle

Data for Compliance
and Fuel Economy

A decorative image of a bar chart. A link to https://www.epa.gov/compliance-and-fuel-economy-data
  • Annual certification test data
  • Engine certification data
  • Test data for annual Fuel Economy Guide
  • Data on cars used for testing fuel economy
  • Reports on cars used for testing fuel economy


Violations and Recalls

A word cloud with words related to Recalls. A link to https://www.epa.gov/recalls
  • Actions to void certificates
  • Recalls
  • Fuel economy label updates

Related Topics

  • Green Vehicle Guide
  • Fuels Registration, Reporting, and Compliance Help 
  • Air Enforcement
  • Diesel Fuel Standards
  • Gasoline Standards
  • Renewable Fuel Standard Program
Contact Us about Vehicles and Engines to ask a question, provide feedback, or report a problem.
Last updated on November 18, 2024
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