The Chicken Tax is a 25 percent tariff on light trucks (and originally on potato starch, dextrin, and brandy) imposed in 1964 Eventually, the tariffs on potato starch, dextrin, and brandy were lifted,[4] but since 1964 this form of protectionism has remained in place to give US domestic automakers an advantage over imported competitors.

en.m.wikipedia.org/wiki/Chicken_tax