Fracking, or hydraulic fracturing, is a method of extracting oil and natural gas from dense rock or sand where traditional drilling is not an option. Due to the nature of fracking, costs are higher ...

CHONGQING, China, June 21 (Reuters) - On a flattened mountaintop a two-and-half-hour drive south of Chongqing in southwest China, a fleet of towering, red fracking trucks pumps chemicals and sand into ...