US field production of Crude Oil (2013)
viernes, 31 de enero de 2014
martes, 28 de enero de 2014
Net imports as a share of domestic consumption
U.S. DEPENDENCE ON FOREIGN OIL IS AT A 20-YEARS LOW AND DECLINING.
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U.S. DEPENDENCE ON FOREIGN OIL IS AT A 20-YEARS LOW AND DECLINING.