. The fracking itself occurs deep underground, where most of the fracturing and propping open of cracks is accomplished with treated water and sand. This water also returns to the surface, laden with chemicals. Early this week, staffers working for the House Energy and Commerce Committee found that 14 hydraulic fracturing companies used 866 million gallons of products, hundreds of which contained chemicals that are or might be carcinogenic or are listed as hazardous air pollutants. Laced with a variety of common (benzene, toluene) and custom (proprietary) chemicals, this water is a liability and a cost as soon as it comes out of the ground. In Pennsylvania, where Fox filmed some of his documentary, coal mining was the first energy rush. Some coal mines caught fire, and at least one there has never stopped burning. The town above it remains abandoned. The gas industry fortunately doesnt face runaway fires and ghost towns, so we can call it progress. Manufacturing.net The difference between Republicans and Democrats. Republicans rush to make a profit, no matter the consequences and when Democrats insist we must look at the long term effects and have a concern about our population, Republicans whine that Democrats always stand in the way of "profit" and don't care about America. Democrats want that profit too, just not at any cost.