California and President Trump are expected to clash over climate policies. The state just backed off on regulating ...

California has withdrawn requests for the EPA to give the state authority to enforce rules limiting emissions from ...

California halts efforts to limit diesel pollution amid anticipated pushback from incoming Trump administration.

President-elect Trump has threatened to revoke or challenge all zero-emission vehicle rules and California’s other clean-air ...

The California Air Resources Board has scrapped its controversial rule that would have required the use of zero-emissions ...

The California Air Resources Board has withdrawn a regulation request that was aiming to restrict the use of diesel ...

The California Air Resources Board adopted the clean fleets and locomotive rules in 2023. Not seeking the waivers is “an ...

Withdrawal of request for EPA waiver means the state no longer seeks to enforce its zero emission vehicle mandate on fleets.

In order for California to promulgate vehicle emission standards without violating the Clean Air Act, it must receive a waiver from the EPA for any state law that regulates vehicles covered by the Act ...

California derailed its rule that would have likely killed plans for Burlington Northern Santa Fe’s $1.5 billion Barstow ...

The withdrawal comes after the Biden administration recently approved the California Air Resources Board’s mandate phasing out new gas-powered cars by 2035, but had not yet approved other ...