Well that's just it! There's no need to retrofit anything - any diesel engine can run it - especially older ones. Heck, you can dump canola oil in an old Merc. diesel and it'll run. :) Some of the brand new "common-rail" diesel engines though will be really finnicky about some of the bio fuels, and probably shouldn't run them (at least not the backyard bio fuels). Now an old Merc diesel, I'd probably retrofit to be a grease-car - meaning it runs on recycled cooking oil. That can be had for free, and the filtering equipment can be had for not that much. Meaning you can have very cheap, clean burning, renewable fuel. Unfortunately such fuels don't do too well in direct inject (the DI in TDI) diesel with 30,000 psi at the injector nozzle. You'd hate to have a little chunk of onion ring wind up in there and blow the whole thing up! :) Jonathan Finger David Ilvedson wrote: > I think the bio-diesel is great. A fair number of people around here run them...don't need new diesels...plenty of older Mercedes to retro-fitted. > > David Ilvedson, RPT > Pacifica, CA 94044 >
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