Can I run used motor oil or transmission fluid in my car as a fuel?

It has been done before and there are many stories of people doing it with success.  However, it is a “dirtier” cut of petroleum than even diesel fuel, and running it straight would not make for clean exhaust at all. We have no personal experience with it so will not comment one way or another if it will work.  if you decide to experiment with it you are on your own.  I would make sure that it was filtered extremely well, and mixed in small quantities with diesel or vegetable oil.

Posted in: Fuel System FAQ, General Questions

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