If you're like us, you've looked at quite a few gasoline- powered rides and thought "that thing would be so much cooler, if it had a diesel in it!" Well, we're here to tell you that it can be done.

I have an endless supply of free beef and pork fat. Is there any way I can make that into biodiesel and run my ’04 Ford F-350? I looked online, but I got confused with all the information. I thought ...