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Geothermal Beating Coal Lures Enel From Tuscan Geysers

More than a century ago an Italian prince developed a machine that harnessed the hot air rising from the hills south of Florence to spin a turbine and generate the world’s first geothermal power.

Today the region better known for Chianti wine than high-technology produces enough power for a million people. That’s helped make Italy Europe’s biggest generator from underground heat, the world’s cheapest source of electricity.