Obama, in speech, touts natural gas while pledging ‘fracking’ rules
Interior first indicated it was weighing fracking disclosure rules in 2010.
Fracking involves high-pressure injections of water, chemicals and sand into rock formations, which opens cracks that enable trapped gas to flow.
Use of fracking in shale rock formations is enabling a U.S. gas production boom, but bringing concerns about water contamination along with it.
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