SCOTUS Rules on Standing in California’s Vehicle Emissions Waivers Challenges
On June 20, 2025, the U.S. Supreme Court delivered a 7–2 ruling in Diamond Alternative Energy v. EPA, granting fuel producers “standing” to challenge the EPA’s 2022 approval of California’s vehicle emissions standards waiver. At the simplest level, standing means the legal right to bring a lawsuit. Legally, the concept of Article III standing comes […]