Fracking, or hydraulic fracturing, is a process in which oil and natural gas are extracted from underground rock formations. Fracking provides many benefits but has some costly side effects. Fracking ...

What is fracking? You may have heard about the effects this oil and gas extraction technique have on the environment, but its impacts extend far beyond that. Between 2007 and 2016, oil production in ...

Lestz eventually developed a fracking process that substitutes propane, or liquid petroleum gas (LPG), for water. Chevron wasn't interested in LPG fracking, Lestz said. But in 2006, a business friend ...