Part 1. Green gas -- Henry Ford and the search for ethanol -- Giant Chinese silver grass -- The rise, fall, rise and fall of alcohol fuel -- Gas lines and gasohol -- Back to the ethanol future -- Part 2. Sun -- The sad fate of Jimmy Carter's solar panels -- Solar Renaissance -- Sun power -- Ice from fire -- Solar reborn -- Part 3. Wind -- Charles Brush and his wind machine -- Wind power reborn -- Peppard's folly -- Wind goes electric -- A new golden age of wind -- Part 4. Earth -- Going geothermal at Ball State -- The geysers -- Hot rocks and high hopes -- Part 5. Water -- Hydropower 2.0 -- The electropolis of America -- The power of waves -- Salter's duck.
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