Just annother alternative energy source

today.reuters.com
Mining heat stored in rocks in the Earth's crust could meet a growing portion of U.S. electricity demand, replacing aging nuclear and coal plants with an environmentally friendly alternative, researchers say.

A Massachusetts Institute of Technology study said the mining of thermal energy could be done on a far larger scale than conventionally known, reducing spiraling oil import bills and strengthening U.S. energy security.

"This is a big resource that is perhaps undervalued by people who are thinking of options for the country," said Jefferson Tester, an MIT chemical engineering professor who led the 15-month study released on Monday.




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