U.S. Supreme Court justices appeared sympathetic on Wednesday to a bid by fuel producers to challenge California's standards ...

The Supreme Court indicated Wednesday that it will revive a lawsuit from fuel producers challenging California’s strict ...

The Supreme Court is considering a case that could impact car emissions standards across the country. Justices heard oral ...

The Supreme Court to hear Diamond Alternative Energy, LLC v. EPA, which concerns the differing environmental standards in ...

At issue is not the legality of California’s authority to enforce tougher vehicle emissions rules, but rather whether fuel ...

The Supreme Court heard oral arguments Wednesday in a landmark case that could spell the end of California’s Clean Air Act ...

The justices seemed to agree that fuel producers are harmed by—and should therefore be able to challenge—an EPA waiver that ...

The Supreme Court will hear oral arguments over whether energy groups can sue California’s Clean Air Act waiver.

The Supreme Court heard arguments on whether fuel producers have standing to challenge California's waiver to impose stricter ...

The US Supreme Court heard oral arguments Wednesday in a case that sees fuel industry groups challenging vehicle emission standards in California. The justices indicated that the plaintiffs have ...

A forthcoming ruling could allow federal agencies to skip climate analysis when approving major projects — with wide-reaching ...

Justices weighed whether fuel companies had showed that their concerns about California's ability to set the nation's ...