Gale Banks doesn't want to "roll coal". He has built engines for race cars, land speed record holders, Pikes Peak climbing semi trucks, and military vehicles. He is one of the best engine builders in the world, and today he's going to explain the torque-full fuel that is diesel. Wrench smarter. Introducing a NEW series on /DRIVE, aimed at educating you to build a faster, better, more reliable car: /ENGINEERED. We want to empower our fellow enthusiasts to know more, and do more, by learning from some of the best engineers in the game.