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Compliance and Fuel Economy Data for Vehicles and Engines

Emission Test Data & Engine Certification

  • Annual Certification Data for Vehicles, Engines, and Equipment
  • Heavy-Duty Manufacturer-Run In-Use Testing Data
  • Light-Duty Manufacturer-Run In-Use Testing Data
  • EPA Heavy-Duty Vehicle and Engine Greenhouse Gas Emissions Compliance Report

Fuel Economy
Test Data
 

  • Data on cars used for testing fuel economy
  • Reports on cars used for testing fuel economy
  • Test data for annual Fuel Economy Guide
 

New!

EPA has combined the light-duty vehicle and motorcycle certification data with the webpage for engine and equipment data. This single webpage contains all certification data and no data has been removed. If you need assistance finding data, please contact complianceinfo@epa.gov.

Related Topics

  • Fuel economy
  • Certification and compliance for vehicles and engines
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Last updated on October 28, 2021