Neil Young currently drives a 1982 Mercedes coupe diesel that runs on vegetable oil he buys from a restaurants, but that's just a "band aid", according to him. His real goal is more ambitious: He hired a team to modify his 5000 lbs, 20-foot long 1959 Lincoln Continental to make it run on "on natural gas, electricity or some other form of clean energy". He would like it to get over 100 MPG equivalent and win the $10 million Automotive X-Prize.
Why the 1959 Lincoln Continental? Why not a more reasonable (and light, and aerodynamic) car? Because it is Neil's favorite, and the "craziest and most out-there designs that American automobile manufacturers have come up with".
Read on for more details.