Roush Propane-Powered Ford F-250!

The "plug-and-play" kit, that you can purchase for $7,995, does not affect you horsepower or torque. Yes, it's expensive, but you can get a $5,000 federal alternative fuels tax credit per kit, alongside a 50-cent-per-gallon tax credit on any propane purchased. Also, propane itself, is about a dollar a gallon...