California Mandates Low-Resistance Tires by 2029 as 70% of Current Models Face Phaseout
Updated
Updated · Yahoo Autos · Aug 21
California Mandates Low-Resistance Tires by 2029 as 70% of Current Models Face Phaseout
3 articles · Updated · Yahoo Autos · Aug 21
Summary
2029 is the start date for California’s rule requiring most replacement tires to meet low rolling-resistance limits no worse than a vehicle’s original factory tires, with a tighter 7.2 N/kN standard arriving in 2033.
70% of tires now on the market would fail the 2033 threshold, sharply narrowing choices for most drivers, though used, motorsports, snow, motorcycle and some large off-road tires are exempt.
The California Energy Commission says the added cost will be about $1.50 per tire in 2029-2033 and $6.50 after that, while a typical gasoline driver would save $179 per set at $4.60-a-gallon fuel prices.
Goodyear and other critics dispute those estimates, arguing technical and legal issues remain and warning price increases could run into the hundreds of dollars; opponents also question whether low-resistance tires may wear out faster.
Washington and Rhode Island are already considering similar standards, and California will also launch a voluntary leaf-rating label to show tire efficiency.
As California mandates greener tires, will the heavy demands of modern EVs cause these efficient treads to wear out unexpectedly fast?
Could California's new tire rules secretly compromise your vehicle's safety and grip to save a few dollars on gas?
Will the hidden upfront costs of mandatory eco-friendly tires outweigh the promised long-term fuel savings for everyday drivers?
California’s Landmark Tire Efficiency Mandate: Billions in Savings and Major Emissions Cuts by 2035
Overview
California made history in August 2026 by adopting the nation’s first energy efficiency standards for replacement tires, ending a 23-year delay since lawmakers first mandated action. This breakthrough came after political champions and advocacy groups highlighted the high costs and emissions caused by unregulated, inefficient tires. The new rules introduce phased limits on rolling resistance, a consumer-friendly 'leaf' rating system, and a public database for transparency. While the standards promise major fuel savings and emissions cuts, they have sparked fierce debate over costs, safety, and consumer choice, with industry opponents preparing legal challenges. California’s move is expected to set a de facto national standard.