The US is set to be crowned the worlds largest producer of liquid petroleum this week, knocking Saudi Arabia off the top spot for the first time in 2 decades.
The shale oil and gas boom in America has led to output increasing from 8 million barrels a day in 2011 to approaching 12 million barrels.
The shale oil and gas boom in America has led to output increasing from 8 million barrels a day in 2011 to approaching 12 million barrels.