California approves first U.S. efficiency standards for replacement tires

The California Energy Commission has approved the first efficiency standards in the United States for replacement tires sold for passenger vehicles and light-duty trucks. The new regulations are set to take effect in 2029.

The Commission claims the standards will reduce carbon dioxide emissions by 2 million metric tons annually—comparable to removing 400,000 gasoline cars from the road—and save drivers nearly $1 billion per year in fuel and electricity costs.

However, the mandate has faced criticism from industry groups and local business owners. The U.S. Tire Manufacturers Association expressed concerns regarding enforcement and tire compatibility. Some critics argue the regulations could lead to higher consumer costs and reduced product variety, potentially limiting access to specific performance or weather-dependent tire types.