The Fifth Circuit granted industry groups' challenge to EPA's 2024 rule that revised the equation for calculating vehicle fuel economy for purposes of the Corporate Average Fuel Economy (CAFE) standards and required manufacturers to certify fuel economy using E10 test fuel, containing 10% ethan...

The Third Circuit affirmed a district court order remanding to state court a lawsuit concerning a chemical company's design, manufacture, marketing, and sale of 1,4-dioxane. The state of New Jersey sued the company in state court, arguing its products substantially harmed the environment. The c...

The U.S. Supreme Court, 6-3, held that the state of Texas and a private business, which petitioned to review NRC's decision to grant a renewable 40-year license to a private entity seeking to store spent nuclear fuel at an off-site facility in West Texas, were not entitled to judicial review because...