TheInternational Energy Agency said in June that the U.S. was the biggest producer of oil and natural gas liquids.
"The U.S. increase in supply is a very meaningful chunk of oil," Francisco Blanch, the bank's head of commodities research, said by phone from New York. "The shale boom is playing a key role in the U.S. recovery. If the U.S. didn't have this energy supply, prices at the pump would be completely unaffordable."
Oil extraction is soaring at shale formations in Texas and North Dakota as companies split rocks using high-pressure liquid, a process known as hydraulic fracturing, or fracking. The surge in supply combined with restrictions on exporting crude is curbing the price of West Texas Intermediate, America's oil benchmark. The U.S., the world's largest oil consumer, still imported an average of 7.5 million barrels a day of crude in April, according to the Department of Energy's statistical arm.
Please read full and follow at: http://www.bloomberg.com/news/2014-07-04/u-s-seen-as-biggest-oil-producer-after-overtaking-saudi.html