You see those massive trucks on the highway and wonder, why are tractor trailers called semis? The first semi-trailer was designed by inventor Alexander Winton in 1898 to solve car transport problems. This guide explains the simple reason behind the name and shows you how these big rigs work. The answer is easier than you ... Read more The post Why Are Tractor Trailers Called Semis? The Simple Answer appeared first on Bourbon and Boots.
