U.S. Supreme Court Allows Fuel Producers to Challenge EPA Waiver

The U.S. Supreme Court ruled that oil and ethanol producers had standing to challenge the U.S. Environmental Protection Agency’s (EPA) approval of California’s vehicle emissions waivers that allow the state to set emissions standards that were stricter than the federal standards.

In a 7-2 decision, the Court ruled on June 20, 2025 that the fuel producers…