Support WBURU.S. Taps New Energy Sources, And Potential Geopolitical CloutPlay04:52Download AudioJackie NorthamApril 04, 2014 ShareGas and oil extraction using hydraulic fracturing, or fracking, is at the heart of the recent U.S. oil and gas boom. Here, an oil field on the Monterey Shale formation in McKittrick, Calif. (Getty Images)
