The U.S. shale revolution opened up leagues of new resources over the past half-decade, but North America’s discovered reserves add up to just 7.6 percent of the world’s untapped potential, according to a Wood MacKenzie report released this week.

via Fuel Fix http://fuelfix.com/blog/2013/09/13/undeveloped-oil-and-gas-reserves-across-the-globe-worth-760-billion/