Green Energy

how much will it cost to get a engine that runs on grease installed in my car?

I know it might depend on the car (which i dont have yet), but when i get one, i might think about getting an engine installed that runs on grease from fast food places. (got the idea from watching “rob and big”

my answer is try to check it out first on auto repair shop dude..

Engine Running on Hydrogen / Oxygen HOH HHO