According to sources familiar with the Trump Administration’s plans, the new rules would halt plans to raise fuel economy requirements in California and other CARB states.
Clean Diesel Trucks Make up 30% of Commercial Vehicles in U.S.
Clean diesel truck engines and emissions control systems now make up on average 30% of all heavy-duty commercial vehicles in operation in the U.S. as a result of adoption by fleets over the past five years, according to a recent report commissioned by the Diesel Technology Forum.
