With all the focus on biofuels, wind power, and solar cells, one alternative energy source that remains largely untapped is geothermal power, which draws energy from the heat under the Earth's surface. Earth2Tech reports on several companies raising millions of dollars to expand their geothermal operations. According to the National Renewable Energy Laboratory, geothermal energy currently provides only one half of one percent of total U.S. energy consumption.
Web pick posted by Neil Savage, Xconomy.com
Web pick posted by Neil Savage, Xconomy.com
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