, Columnist
U.S. Oil Booms and Nowhere to Sell It
The use of hydraulic fracturing has been a boon for U.S. crude oil production, though federal law prevents its sale on world markets.
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Just when we were getting used to the surge in natural gas production, a second unexpected U.S. energy boom enters the picture: oil.
Last year, thanks to drilling technologies that can access hydrocarbon deposits trapped in deep rock, American crude-oil output rose to 8.9 million barrels a day -- an increase of more than a million barrels, thelargest in U.S. history.