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Key ingredient for new, sustainable asphalt – pig poop!

Jul 03, 2017

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With support from the National Science Foundation (NSF), civil engineer Ellie Fini and a team at North Carolina Agricultural and Technical (NCA&T) 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.