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  2. Vehicle and Engine Certification

Compliance Information for Light-Duty Fuel Consumption Improvement Values

Related Regulations
  • Regulations for Greenhouse Gas Emissions from Passenger Cars and Trucks

This page provides compliance information for manufacturers producing vehicles and seeking FCIVs to apply to their Corporate Average Fuel Economy values.

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Vehicle and Engine Certification

  • Onroad
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  • EV-CIS
Contact Us about Vehicle and Engine Certification
Contact Us about Vehicle and Engine Certification to ask a question, provide feedback, or report a problem.
Last updated on May 15, 2026
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