Motor oil is still being recycled into re-refined oil today and a few brands are available for purchase. It’s subject to all the same quality standards as newly refined oil and is more efficient to process. In fact, the EPA says, “It takes 42 gallons of crude oil, but only 1 gallon of used oil, to produce 2.5 quarts of new, high-quality lubricating oil.” With the U.S. going through about 1.3 billion gallons of oil annually, this can add up fast. It makes good economic and environmental sense to recycle your motor oil and to purchase re-refined oil when possible...

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