Groups pressure truck makers to drop lawsuit challenging CARB rules

Environmental and public-health groups are pressuring the CEOs of more than two dozen truck engine manufacturing companies to withdraw a lawsuit filed on their behalf by the Truck & Engine Manufacturers Association (EMA) that challenges California’s landmark low-nitrogen oxide (NOx) standards for model year 2024-25 heavy-duty diesel trucks. “As members, we are asking you to make good on your promise of cleaner air and zero-emission trucks. We ask that you follow the actions of some of your fellow EMA members...