Title 49 › SUBTITLE VI — MOTOR VEHICLE AND DRIVER PROGRAMS › PART C — INFORMATION, STANDARDS, AND REQUIREMENTS › CHAPTER 323 — CONSUMER INFORMATION › § 32304A
Requires the Secretary of Transportation to create, within 24 months after the Ten-in-Ten Fuel Economy Act became law, a national consumer program that shows how replacement tires affect fuel use, safety, and how long tires last. The program must include a simple fuel-efficiency rating for replacement tires, clear information for buyers at the store and online, standard test methods so all makers use the same tests, and consumer education about tire care like inflation, alignment, rotation, and tread wear. This part applies only to replacement tires covered by 49 C.F.R. 575.104(c) as of the Act’s enactment. The Secretary must also set minimum fuel-efficiency rules for new passenger car tires in two speed groups (maximum speed ≤149 mph / 240 km/h and >149 mph / 240 km/h), using the rolling resistance test in 49 C.F.R. 575.106, and must not unfairly hurt high‑performance tires. Tires for light trucks, deep-tread tires, winter snow tires, temporary spares, and tires with rim diameters of 12 inches or less are excluded. The Secretary must set wet-traction minimums (measured by peak friction) so better fuel efficiency does not reduce wet grip, benchmark current tire models, make test methods compatible, finish the fuel-efficiency and wet-traction rules within 24 months, consult with the Secretary of Energy and EPA Administrator, report results periodically to the Senate Commerce, Science, and Transportation Committee and the House Energy and Commerce Committee, and not require permanent tire labels. States with tire-efficiency rules in effect on January 1, 2006 may keep them; new state rules after that date must match the federal rules.
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49 U.S.C. § 32304A
Title 49, Transportation
Last Updated
Sep 23, 2026
Release point: 119-110