We're going to need more of this type of thing

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