The low down on DMD
Bio Diesel, interesting stuff made from vegitable oil, animal fats, what ever you can get your hands on really. Stuff it into a diesel engine and off you go, well for a bit if your lucky. To be a bit more scientific about it a spot of processing can make the waste oils into a high grade fuel with plenty of interesting properties when compared to mineral oil based diesel.
Processing means adding a spot of methonol and caustic soda, heating a bit then seperating the resulting gloop, washing it with water and then drying it before stuffing it happily into your diesle engine tank for some happy motoring. Bio diesel attracts a duty of 27.1p/ltr which is 20p less than your general fuel duty. Add that to the possability of using chip fat costing bugger all and you should have an affordable and some what greener fuel.
http://journeytoforever.org/biodiesel_link.html has a whole bunch of interesting information.
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