Trump administration moves to relax fuel efficiency standards for commercial trucks

The Trump administration on Friday moved to relax fuel efficiency standards for medium- and heavy-duty commercial trucks. The Transportation Department took aim at Obama-era standards, arguing that they exceed the scope of the government’s authority. The Obama administration set standards for both the whole vehicle and its engine. The Trump administration now says that the government...

The Trump administration on Friday moved to relax fuel efficiency standards for medium- and heavy-duty commercial trucks. The Transportation Department took aim at Obama-era standards, arguing that they exceed the scope of the government’s authority. The Obama administration set standards for both the whole vehicle and its engine. The Trump administration now says that the government...