From: New Scientist
Published August 20, 2008 09:03 AM

Google buries $10m in underground power

Search and advertising giant Google is investing $10 million in a relatively new approach to producing electricity from underground heat which could make geothermal power possible in many more areas of the world.

Google's philanthropic arm, Google.org, has recently declared an interest in sustainable technology. It has already pumped tens of millions of dollars into solar thermal and high-altitude wind energy.

Dan Reicher, Google's head of climate and energy initiatives, said that new technology could make extracting heat from beneath the ground a massive contributor to US electricity supplies.

"It's 24-7, it's potentially developable all over the country, all over the world, and for all that we really do think it could be the 'killer app' of the energy world," says Reicher. "Killer app" is a term used in the tech industry to describe an application that revolutionises a field and creates new opportunities.

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