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Turning Human Waste into Oil

Each person on this planet produces enough organic waste to create between 7 and 11 liters of biofuel a year. A long time ago, Mother Nature figured out how to turn any organic matter into crude oil... but the process is so slow, it takes millions of years. Now scientists at the U.S. Department of Energy's Pacific Northwest National Laboratory say they managed to speed it up, and turn the sludge into biofuels and natural gas. It is estimated that every day, Americans produce 128...

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