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Published online 23 January 2007 | Nature | doi:10.1038/news070122-4
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Hot rocks could help meet US energy needs
Get more out of geothermal, experts advise.
A modest investment in geothermal technology could allow the United States to harness 10% of its electricity-generating capacity from the hot bowels of the Earth by 2050, a new study says.
The United States is the world's biggest producer of geothermal energy, but interest in it has remained low — the resource makes up less than 1 percent of the country's electricity supply.
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