One has to wonder why just about every other MB diesel for sale on Ebay has one of these veggie conversions. My guess is that something goes wrong mechanically, or people just get tired of looking for filthy grease and filtering it. I think in 10 or 20 years we'll be looking back at all this as a silly fad, especially once 2nd generation biofuels are commonly available. Even today's biodiesel will probably look primitive by then.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL