Billy Harvey bought a gold 1981 Mercedes diesel on EBay in 14 seconds. Soon after, he converted it to run on waste vegetable oil. Now, the unconventional and environmentally friendly singer/songwriter is taking it on a tour across America. The plan is to travel all 7,000 plus miles on waste vegetable oil. What follows is a near epic journey of endurance and self-discovery that is both beautiful and, at times,... see more