Supreme Court Seems Inclined to Let Energy Companies Sue California Over Emissions Rules

A federal appeals court previously halted the lawsuit, saying the companies had no right to sue.

The Supreme Court in Washington on April 3, 2025. Madalina Vasiliu/The Epoch Times

The U.S. Supreme Court seemed inclined during an April 23 oral argument to revive a lawsuit filed by energy companies over California’s tough vehicle emissions standards.

The case is Diamond Alternative Energy LLC v. Environmental Protection Agency (EPA).