The generator makes electricity with about the temperature of a cup of coffee . Alaskan electricity goes from diesel to geothermal , making $ 625 K in 3 years . He invented portable geothermal generator that he says can power 250 homes . MIT : Most of Alaska can be transformed into a huge geothermal power plant .
Resort owner makes electricity with water the temperature of a cup of coffee . Alaskan entrepreneur goes from diesel to geothermal , saving $ 625K in 3 years . He invented portable geothermal generator that he says can power 250 homes . MIT : Most of U.S. can be transformed into a huge geothermal power zone .