Not a bad article. I wouldn't believe everything it says, but that applies to everything and everyone in life. :)

"Few people realize that vegetable oil can be used for more than frying fast food! Indeed, Rudolph Diesel's first public exhibition of the internal combustion technology that was to later bear his name featured an engine running on peanut oil. He envisioned freeing small businesses from the monopolistic coal and steam power of the day by using organic fuels in his engine."

http://www.bcsea.org/sustainableenergy/biodiesel2.as...