-World 1 total primary energy supply (TPES) from 1971 to 2014 by fuel (Mtoe). 1 World includes international aviation and international marine bunkers. 2 In these graphs, peat and oil shale are aggregated with coal. 3 Includes geothermal, solar, wind, heat, etc. (Courtesy of IEA.)

-World 1 total primary energy supply (TPES) from 1971 to 2014 by fuel (Mtoe). 1 World includes international aviation and international marine bunkers. 2 In these graphs, peat and oil shale are aggregated with coal. 3 Includes geothermal, solar, wind, heat, etc. (Courtesy of IEA.)

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Since the discovery of fire, the history of human evolution reflects the history of mankind’s ability to control and transform energy. Steam engine gave rise to the industrial revolution and fossil fuels entered and shaped our development: diffused and cheap energy allowed to replace human labor, and activities, impossible until that time, became c...

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