Hi, If you have a supply of coocking oil, it is not difficult to make that into 'bio-diesel' This removes the glycerin, and makes it into a fuel that burns cleaner (less smoke etc..) and you can even run a car on it !!! Patrick MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.