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Article updated: 2/4/2013 7:33 AM

Energy industry develops nontoxic fracking fluids

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In this photo from 2009, a worker steps through the maze of hoses being used at a remote fracking site being run by Halliburton for natural-gas producer Williams in Rulison, Colo. The oil and gas industry is trying to ease environmental concerns by developing non-toxic fluids for the drilling process known as fracking.

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The oil and gas industry is trying to ease environmental concerns by developing nontoxic fluids for the drilling process known as fracking, but it's not clear whether the new product will be widely embraced by drilling companies. Houston-based energy giant Halliburton Inc. has developed a product called CleanStim, which uses only food-industry ingredients. Other companies have developed nontoxic fluids as well.
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