One of the rules California pulled after the EPA failed to approve it would have phased out the sale of new diesel-powered semi ... would have banned locomotive engines more than 23 years old ...

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

The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

SACRAMENTO, Calif. (AP) — California withdraws request to phase out diesel-powered semi-trucks and locomotives after Biden EPA stalls on approval.

Although the proposal to limit diesel trucks in California has stalled, the state’s initiative to phase out the sale of gas-powered cars by 2035 is underway, as the EPA approved California’s ...

SACRAMENTO, Calif. (AP) — California withdraws request to phase out diesel-powered semi-trucks and locomotives after Biden EPA stalls on approval. Got a question? Put a reporter on it.