Additional Fights Loom After D.C. Circuit Rejects EPA Vehicle Waiver Suits

An appellate court’s rejection of litigation from Republican states and liquid fuels groups challenging EPA’s federal preemption waiver for California’s prior round of vehicle emissions standards represents a major initial victory for backers of strong state requirements, though it could be followed by several additional cases seeking to limit such rules. In addition, the U.S. Court of Appeals for the District of Columbia Circuit’s April 9 ruling in State of Ohio, et al. v. EPA, et al . comes amid...