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99In the Autoblog Driveway: 2003 VW Jetta SVO (Straight Vegetable Oil)

One lesser-known movement in green car technology is converting diesels to run on SVO, or Straight Vegetable Oil. Unlike biodiesel, which is produced by chemically modifying vegetable oil so that it can be used in a diesel vehicle with no modifications, SVO requires a second fuel system for the vegetable oil in addition to the standard diesel fuel system. Also, one doesn’t operate and fill up an SVO vehicle like a normal petrol or diesel car. It sounds like a lot of work, so why are more a

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