ELR Citation: 55 ELR 20080
No(s). 24-60209 (5th Cir. Jun 24, 2025)

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...