It seems somewhat repulsive to say it, but if we converted all of the fecal material (human and animal) that we currently collect into biofuel, we'd have a lot of biofuel. And given the drawbacks to the other kinds of biofuel feedstocks that I discussed a few posts ago (in light of the article describing their drawbacks), maybe crap is the way to go for the biofuel industry.
Turning Pig Manure into Oil Fosters Sustainability in a Crowded World
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