A Diesel Alternative: Cooking Oil
Behind virtually every restaurant in America, you will find three dumpsters: One for trash, one for flattened cardboard boxes, and one for used cooking oil. (The latter is actually more of rectangular tank on wheels than it is a dumpster.) It is not widely known, but virtually all diesel cars and trucks can run on cooking oil–new or used. This is commonly called “biodiesel” or “greasel.” In essence, all that you need to do is filter the liquid cooking oil through some cloth (typically a couple of thicknesses of cheese cloth) to get rid of the particulate crud, and voila! …