In the March 31 letter also addressed to Secretary of the Treasury Scott Bessent and U.S. Trade Representative Jamieson Greer, MichAuto and the Detroit Regional Chamber advised against proceeding with tariffs on assembled vehicles from Canada and Mexico and parts that come from outside of North America.

President Trump has suggested his impending 25% tariffs on foreign vehicles and auto parts could be avoided by those who buy cars made entirely in the United States. The only problem: There aren’t any.