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Fuel Economy

Regulating and testing fuel economy plays an important role in deterring air pollution throughout the Unites States’ streets and communities. EPA’s Fuel Economy pages provide information on current standards and how federal agencies work to enforce those laws, testing for national Corporate Average Fuel Economy or CAFE standards, and what you can do to reduce your own vehicle emissions.

Follow the links below for more information:

  • Basic Information: Learn how EPA determines fuel economy estimates and what the data are used for.
  • Regulations and Standards: Find the regulations and laws that govern fuel economy testing and reporting, and how federal agencies work to enforce those laws.
  • Data and Testing: Learn how vehicles are tested and find out how you can get EPA's fuel economy test data.
  • What You Can Do: Learn how you can improve fuel economy and emissions from your current vehicle.

Related Information

The EPA manages the collection of fuel economy and related emissions data and provides data to a number of important federal programs:

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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