U.S. Seen as Biggest Oil Producer After Overtaking Saudi Arabia
http://www.businessweek.com/news/2014-07-04/u-dot-s-dot-seen-as-biggest-oil-producer-after-overtaking-saudi
U.S. overtakes Saudi Arabia, Russia to become world’s biggest oil producer: report
U.S. overtakes Saudi Arabia, Russia to become world?s biggest oil producer: report | Financial Post
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