Title 49 › Subtitle SUBTITLE VI— - MOTOR VEHICLE AND DRIVER PROGRAMS › Part PART C— - INFORMATION, STANDARDS, AND REQUIREMENTS › Chapter CHAPTER 329— - AUTOMOBILE FUEL ECONOMY › § 32908
Car makers must put a fuel-economy label on a clear spot of every new car they build, and dealers must keep that label on the car. The label must show the car’s fuel economy, the estimated yearly fuel cost, how its fuel economy compares to similar cars, a note that a simple booklet is available from the dealer to help compare cars, the amount of the automobile fuel-efficiency tax under section 4064 of the Internal Revenue Code of 1986 (26 U.S.C. 4064), and any other related facts the EPA requires. For cars that run only on alternative fuel made after model year 1992, the label shows a special fuel-economy value (15% of the measured alternative-fuel value). For dual-fuel cars the label must show gasoline/diesel economy, say it is dual-fuel, list the fuels it can use, and tell buyers that extra information from the Secretary of Energy is available. The EPA must make the easy-to-read booklet about fuel economy and yearly costs for each model year and may show regional differences. For dual-fuel cars the booklet must add comparisons of efficiency, cost, and driving range on alternative fuel versus gasoline or diesel, plus miles-per-gallon on alternative fuel and how mixed fuels affect those numbers. The Secretary of Energy will publish and give out the booklet, and dealers must make it available to buyers. Label failures do not create a warranty, and breaking the labeling rules counts as a violation of the Automobile Information Disclosure Act and as an unfair or deceptive trade practice. The EPA, Federal Trade Commission, and the Secretaries of Transportation and Energy must work together. The Secretary of Transportation, with the others, must also make new rules (including a simple rating for fuel economy and greenhouse gases, an alternative-fuel notice, owner’s‑manual info, and consumer education) within timelines of 18 months and a final rule within 42 months after the Ten‑in‑Ten Fuel Economy Act.
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Reference
Citation
49 U.S.C. § 32908
Title 49 — Transportation
Last Updated
Apr 6, 2026
Release point: 119-73