Researchers from North Carolina A&T State University have developed a process that uses pig manure as a low-cost replacement for petroleum in the production of road asphalt. In searching for bio alternatives, the group discovered that swine waste is especially rich in oils very similar to petroleum, at a grade too low to make gasoline but suited for asphalt.
.. Continue Reading Pig manure may pave the way to sustainable road buildingCategory: Environment
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from Gizmag Emerging Technology Magazine http://ift.tt/296X4jN
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