The GMC Value Van was a multi-step truck that was manufactured by General Motors. Emmett Brown had a 1984 P-60 model Value Van for his business. In 1985, he used it to transport the DeLorean time machine and the plutonium needed for the vehicle's first test at Twin Pines Mall. It bore on the sides the wording DR. E. BROWN ENTERPRISES — 24 HR. SCIENTIFIC SERVICES.