I think you ought to use Ethanol to heat a boiler to power a steam engine that turns a automatic transmission which turns generator that powers an electric motor that turns a air compressor that powers another steam engine that turns a 4:1 reduction gear that turns a manual transmission that turns the rear end that turns the tires. Its pollution free
its the future of cars. how can I patent it?
The rear end gears would have to be 2.73:1

The rear end gears would have to be 2.73:1