Key ingredient for new, sustainable asphalt--pig poop!
With support from the National Science Foundation, civil engineer Ellie Fini and a team at North Carolina Agricultural and Technical State University have designed a sticky binder made from pig manure that can be used to make asphalt. At a cost of 56 cents per gallon to process, this new bioadhesive is a much less expensive binder than petroleum, and, so far, it's been standing up to rigorous testing.
Provided by National Science Foundation
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