Most drivers don’t spend much time thinking about tire regulations. You buy the tire that fits your vehicle, your driving, and your budget. If you live somewhere with real winters, you may switch to snow tires. If you drive a performance car, you probably care a lot about grip and handling.
California has other ideas.
Someone driving an SUV has different requirements from someone commuting in a small hybrid. A Mustang owner who takes his car to the track has different priorities again.
On a recent episode of “The Drive,” my co-host Karl Brauer and I discussed new California rules targeting the rolling resistance of replacement tires. Beginning in 2029, tires sold in the state will have to meet new efficiency requirements, with the standards becoming more stringent
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