"The world has produced about 1 trillion barrels of oil since the start of the industry in the nineteenth century. Currently, it is thought that there are at least 5 trillion barrels of petroleum resources, of which 1.4 trillion is sufficiently developed and technically and economically accessible."

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Source : Daniel Yergin (2011). “The Quest: Energy, Security, and the Remaking of the Modern World”, p.207, Penguin

Daniel Yergin

#Oil Quotes #World Quotes #Nineteenth Century Quotes