The Mighty Power of Poo

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Poo power may be a pretty neat way to turn waste into fuel, but it isn't really a new one; Modern Mechanix had it way back in 1922. Even though they called methane "marsh gas," they were on to something big -- a way to harness energy with a huge variety of uses. Here's a quick tour of where it comes from, and where "the magic" happens.

Photo credit: Modern Mechanix

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