New E.P.A. Rule Would Reduce Truck Pollution, and Avert Tougher State Controls
The E.P.A. opened an effort to cut pollution from trucks, an anomaly for an administration known for regulatory rollbacks but a move that would also pre-empt state rules.
The E.P.A. opened an effort to cut pollution from trucks, an anomaly for an administration known for regulatory rollbacks but a move that would also pre-empt state rules.
