The president's new tariffs on vehicles and auto parts have contributed to a slowdown in affordable car availability in the U.S., according to Cars.com.

President Donald Trump on Saturday threatened duties of 30% on products from Mexico and the European Union, two of America’s biggest trading partners, in an ongoing tariff campaign that’s upended global trade since he retook office in January.

A recent round of tariff threats has added a new layer of uncertainty, but the monthslong track record affords economists an opportunity to evaluate what the tariffs have yielded