California Seeks Stricter GHG Vocational Truck Rules, Upending EPA Fight

California air board officials are renewing their prior pledge to adopt greenhouse gas emission standards for medium-duty vocational vehicles that are stricter than the measures EPA plans to include in its upcoming truck rule, a move that could put new pressure on the agency to drop a potential plan to exempt scores of the vehicles from strict requirements. The California Air Resources Board (CARB) and several other state agencies May 3 released the latest draft “ California Sustainable Freight Action...