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Old 07-18-2008, 12:58 PM   #9 (permalink)
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Originally Posted by dremd View Post
Not entirely true; one type of diesel catalyst is ruined by bio-diesel.

My VW runs on B80 whenever I can find it; and with a little luck will be running on home brew soon.
I thought the purpose of the ASTM spec was that it was functionally identical to the petrodiesel. Do you know which cars have the non-compatible cat?

I would hope that all the new cars have compatible engines! Its certainly something to check when making a decision.
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