Source: John Murawski, NEWS & OBSERVER, 11/20/18


A pledge by Smithfield Foods, the world’s largest pork producer, to transform hog manure into a clean natural gas aims to mint hundreds of pig farms in North Carolina into renewable energy gold mines. The scale envisioned by Smithfield aspires to go far beyond the roughly 40 hog farms in the United States that currently convert swine waste to energy. The concept has been tinkered with for several decades, but it has never taken off on a grand scale because the technology and logistics have been considered too expensive and too experimental for widespread adoption.

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