Fracking has had profound effects on the energy industry, so far mostly in the U.S., where it has created oil and gas booms in non-traditional places, moved the country closer to energy independence, and resulted in a huge reduction in the cost of energy, particularly natural gas. What is fracking? It's a technique used to extract oil and gas from previously inaccessible underground shale (rock) formations. Here are 5 more things about fracking.
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