ATLANTA, Georgia (CNN) -- Larry Horsley loves that he doesn't buy much gas, even though he drives his '95 Chevy S-10 back and forth to work each day. Larry Horsley's pickup has a set of neatly arranged electronics where his engine once was. 1 of 2 Horsley, a self-described do-it-yourselfer, simply plugs his truck into an electric wall outlet in his Douglasville, Georgia, garage and charges it overnight, instead of buying gasoline refined from mostly imported oil.