California's new tire efficiency rules could save drivers $1B a year

California has approved new regulations requiring replacement tires to meet energy efficiency standards to improve fuel economy. The rule includes a labeling system to help consumers identify efficient tires and is expected to save drivers $1 billion annually while reducing carbon emissions.
Why it matters
This is the first state-level mandate of its kind in the U.S., potentially setting a precedent for national tire efficiency standards and significant environmental impact.
California just became the first state to address a problem most people don’t know they have: inefficient tires.
When automakers design a new vehicle, low rolling resistance tires are one of the least expensive ways to improve fuel economy. But they must eventually be replaced, and experts say replacements are often less efficient. This can result in internal combustion vehicles burning more gasoline and EVs needing more electricity.
“It’s very difficult or impossible for consumers to know how energy efficient their tires are going to be,” said Brian Fadie, senior manager for state policy at the Appliance Standards Awareness Project. “As a result, many people unknowingly buy tires that cost them more money than necessary.”
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