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Tag: Elham Fini
Roadbuilding
Pig manure is being used as an asphalt binder
American drivers might have an unlikely source to thank for their smooth roads – pig poop. PIGrid (pronounced like ‘hybrid’) is a green initiative to convert hog manure into a binding material for asphalt. Not only does PIGrid aim for more sustainable practices of hog waste disposal, but the economic costs are significantly less expensive. […]
February 15, 2013
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