Calif. Air Waivers Fight Fuels Automakers', States' Uncertainty

By John Watson ( July 16, 2025, 4:33 PM EDT) -- On June 20, the U.S. Supreme Court overturned a decision by the U.S. Court of Appeals for the District of Columbia Circuit, ruling in Diamond Alternative Energy LLC v. U.S. Environmental Protection Agency that producers of gasoline and other liquid fuels have Article III standing to challenge the EPA's approval of the California vehicle air emission regulations....

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