re: what to do with used cooking oil?

quote:

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For someone with a diesel truck or car, strain it and dump it in. A little will never hurt it. Plus everytime you stop people will say, "Smells like someones frying Fish!"

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my father in law makes bio diesel out of it for all his tractors and farm equipment.

As long as it isn't burnt it can be strained and reused. It will go rancid on you after awhile. Keep in the fridge.