Free Energy That Stinks

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I guess they will be changing their name from Greyhound to Brownhound. Eww!

Several days ago, we looked at “toilet to tap,” the increasingly useful art of turning sewage into drinking water. Orange County, Calif., which is pioneering the practice, is proud to tell you how thoroughly its filtration purges the sewage: “Thousands of microfilters, hollow fibers covered in holes one-three-hundredth the width of a human hair, strain out suspended solids, bacteria and other materials.” Continue reading… “Free Energy That Stinks”

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