Biodiesel: The afterlife of oil - Natascia Radice

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How could you dispose of your cooking oil when you're done cooking? The easiest thing to do might be to pour it down your drain -- but if you save it up and send it to a processing plant, it can gain useful new life as biodiesel, a biodegradable energy source which can run in diesel engines instead of refined petroleum. Natascia Radice describes the process of turning goop into good.

Lesson by Natascia Radice, animation by Lippy.

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