The Trump administration has been on a collision course with California, and it appears that collision is imminent. An administrative action to undermine the authority granted to the state by the Clean Air Act to protect its citizens from vehicle pollution appears to be imminent. This illegal attack is not just harmful for the nation’s most populous state—it is an attack on the 13 states and the District of Columbia that follow California’s lead and, ultimately, the entire country. The American auto industry and the American public will be worse off as a result.
