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California Energy Commission Approves 2029-2033 Tire Efficiency Rules

8/19/2026

Summary

Story summary

The California Energy Commission approved replacement-tire efficiency regulations on August 17, 2026.
The rules cap rolling resistance at 9.1 N/kN for 2029 and 7.2 N/kN for 2033, with the commission projecting driver savings of $79 in four months and $153 in seven months.
Goodyear, Bridgestone and Michelin warned the standards could raise tire prices, despite the commission’s $6.50 average estimate, and said compliance will be verified by lab testing with exemptions for certain tires.

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Story summary

The California Energy Commission approved replacement-tire efficiency regulations on August 17, 2026.
The rules cap rolling resistance at 9.1 N/kN for 2029 and 7.2 N/kN for 2033, with the commission projecting driver savings of $79 in four months and $153 in seven months.
Goodyear, Bridgestone and Michelin warned the standards could raise tire prices, despite the commission’s $6.50 average estimate, and said compliance will be verified by lab testing with exemptions for certain tires.