I'd go with steam. burns anything you put into it. You can make it to burn gas, diesel, fuel oil, alcohol, wood, vegie oil, old motor oil. anything that burns. It also burns clean. Doble steam cars ran with very little smoke from exhaust,would meet todays emmission standard. also did around 16 miles per gallion kerosen. Also has a lot of power. You don't need a clutch or transmission, or rear axle. Drive engine and rear axle are one unit in rear of truck. Flash boiler is in front under hood. Would cruze at 70 in a whisper. No one else has one. well just a thought. jbennett
