"Anything into Oil"
Turkey Guts, Pig Manure, Landfills, Public Waste (Sewage), all Ag Byproducts, Coal, Oil Shale, Grass Clippings....
If it is Carbon based it is a candidate.
TT
vegetarians and PETA won't like this - it provides another reason for huge hog farms to exist - for both food and fuel production.