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Browsing the "Columbia University Engineering" Tag

Secret Cash Stash Discovered in Sewage Treatment Plants

July 29th, 2011 | by Tina Casey

A national research team headed by the Columbia University Engineering School has found that sewage treatment plants in the U.S. could save $100 million per year in electricity costs with a few simple tweaks to cut down on emissions of nitrous oxide, a powerful greenhouse gas.



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