It is no secret that a number of metropolitan areas in the south and west have benefited significantly from the recent oil and gas drilling boom. (nreionline.com)
It's clear that Immelt wants to take advantage of the shale drilling boom in the period of natural gas revolution. (thecollegeinvestor.com)
It's a simple change that could have profound effects — especially as the shale drilling boom provides abundant new supplies of natural gas. (science.sciencemag.org)