A Load Of Manure

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These are the kind of outside-the-box solutions that we are going to need to solve any sort of energy dependency issue. If you take cow manure and heat it up with some choice microbes in a machine called "a digester," you can make methane gas. Farmers love getting rid of their manure (it's normally a regulatory hassle to dispose of it), and can make extra money selling their manure's run-off to natural gas companies. It's in the latent stages right now, but hopefully cow manure digesters will soon be powering a cleaner world. That's a paradox for you.