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John D. Rockefeller forms Standard Oil Company
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Chicago World’s Fair showcases electricity
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First commercial “frac” job at Hugoton gas field, Kansas
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-Atmospheric CO2 hit 325 parts per million -Nixon creates Environmental Protection Agency
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Carter establiishes the Department of Energy
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Renewables account for about 8 percent of total U.S. energy supply
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Toyota Prius hybrid goes on sale in U.S.
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Nissan’s all electric Leaf goes to market
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Renewables account for about 9 percent of total U.S. energy supply
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Wind provides 4 percent of US electric generation
