The Specialty Equipment Market Association (SEMA) puts on an annual convention that shows off a wide variety of highly customized vehicles, including light truck models, and the group’s 2016 event – held this year in Las Vegas – is no exception. Here are just a few of the specialty trucks being displayed at SEMA ’16 by the Detroit Three automakers: Ford Motor Co., General Motors, and Fiat Chrysler Automobiles (FCA).