Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Fuel Economy

  • Fuel Economy

    Explore the details of vehicle fuel economy, from current emissions regulations and automotive trends to the information on your new car’s window sticker.

The Label

fill gasoline at a gas station with a border
  • Basic information
  • Label History
  • Label examples
  • Label updates
  • Gas guzzler tax

The Trends Report

trends report cover logo with a border
  • Explore the Trends
  • Download the Report

Testing and Data

truck in the NVFEL for testing with a border
  • National Vehicle and Fuel Emissions Laboratory
  • Test data

Regulations

fuel-economy-regulations
  • Revisions to motor vehicle fuel economy label
  • Greenhouse gas emissions from passenger cars and trucks
  • Revisions to calculation of fuel economy estimates

Related Topics

  • Green Vehicle Guide
  • Federal Trade Commission
  • Corporate Average Fuel Economy Standards
  • fueleconomy.gov
    • Find and compare cars
    • How vehicles are tested
    • Gas mileage tips
    • Best and worst fuel economy vehicles of the year
Contact Us About Fuel Economy to ask a question, provide feedback, or report a problem.
Last updated on November 18, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.