Fracking with CO2 to replace water a distant goal, GE says
April 07, 2014 at 14:49 PM EDT
NISKAYUNA, New York, April 7 (Reuters) - Carbon dioxide, used for years to force crude oil out of old wells, likely will not replace water in fracking anytime soon because of technical challenges and limited infrastructure, says General Electric Co , which is studying the issue under a $10 billion research program.