viernes, 31 de enero de 2014

US field production of Crude Oil (2013)

US field production of Crude Oil (2013)

martes, 28 de enero de 2014

U.S. DEPENDENCE ON FOREIGN OIL IS AT A 20-YEARS LOW AND DECLINING.


U.S. DEPENDENCE ON FOREIGN OIL IS AT A 20-YEARS LOW AND DECLINING.