There are several chemical/biological techniques that could in theory be
used to turn manure into petroleum-like fuels. According to one site,
manure is too pricey a feedstock--it has value elsewhere, primarily as
fertilizer, and fuel makers would have to bid against other buyers.
According to another site with different issues, there are lagoons
overflowing with unwanted, unusable manure. Someone who is no more a
farmer than I am suggested that the problem could be seasonal demand and
non-seasonal production. Since I don't know ****, I figure I should ask
some people who actually participate in agriculture:
1) Is there a net surplus of manure, or a net demand for it, or both at
different times of year?
2) Are there farmers currently paying for manure? Are there farmers
currently paying to get rid of manure?
3) Is there any "agricultural waste" (defined as pretty much anything
that used to be part of a plant or animal, or passed through the gut
of an animal) that is genuinely unwanted and could be hauled away
for free, yet whose supply would be more or less predictable and
reliable? (We'll take the jokes about zucchini as already said.)
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