Price drops for Tesla’s Model 3 and Model Y have made the EVs eligible again for a California rebate; now the incentive program is running out of money.

California's Air Resources Board took one of its first steps toward a potential statewide ban on sales of new gas-powered space and water heaters for buildings.

The California Air Resources Board approved groundbreaking rules requiring passenger, freight and switcher locomotives to decarbonize in the next three decades.

California regulators approved a rule that will ban the sale of diesel trucks in the state starting in 2036, requiring all new trucks sold to be zero-emission.

The California Air Resources Board plans to vote on a regulation requiring new switcher locomotives to be zero-emitting by 2030 and freight locomotives by 2035.

The EPA approved a waiver for California’s Advanced Clean Trucks regulation, clearing the way for the state to launch the zero-emission program.

Good news is reportedly on the way to the California Air Resources Board regarding federal approval for its Advanced Clean Trucks regulation.

As it moves to adopt a rule requiring truck fleets to transition to ZEVs, CARB considers situations where supporting infrastructure is unavailable.

A half dozen new climate and energy laws took effect in California on Jan. 1.