This March 25, 2014 file photo shows a worker adjusting hoses during a hydraulic fracturing operation at an Encana Corp. gas well, near Mead, Colo. The energy boom is scrambling national politics. ... more 
This March 25, 2014 file photo shows a worker adjusting hoses during a hydraulic fracturing operation at an Encana Corp. gas well, near Mead, Colo. The energy boom is scrambling national politics. Democrats are split between environmentalists and business and labor groups. Some deeply-conservative areas are allying with conservationists against fracking, the technique largely responsible for the surge. (AP Photo/Brennan Linsley, File) less 
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Associated Press | Photo By Brennan Linsley, File
Sat, Apr 19, 2014 8:30 AM EDT