Waste Oil Filter: Cleaning Waste Oil for Fuel

If you heat your home with an oil burner, here is one design for a waste oil filter you can use to turn waste oil into fuel.

061 waste oil filtering process
LEFT: The oil runs through nylon stockings clamped to the spigot. MIDDLE: Cleaned oil is poured into your stove or furnace's reservoir. RIGHT: Filtering removes grit like this from the system.
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