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Biogas-Farting Bugs Can Aid Green Power

By Neal Colgrass,  Newser Staff

Posted Apr 6, 2009 8:56 PM CDT

(Newser) – Single-celled organisms that absorb electricity and emit methane can help people store energy from green power sources, New Scientist reports. Researchers have found that certain microorganisms, when fed surplus power, mix it with carbon dioxide to create methane, which can be saved and burned any time—perfect for storing power from uneven sources like solar and wind.

About 80% of energy can be saved this way—a high rate for power storage—and "it should be very cheap," one expert said. "What I like about this method is it's simple, it's replicable and it's scalable." Similar studies made hydrogen fuel from single-celled organisms, but there's little market for it. Commercial applications of the methane model "could be just a few years down the road," said the study's lead author.

A bus drives past a windmill farm recently built on the edge of Lake Nicaragua in Rivas, Nicaragua, Dec. 21, 2008.
A bus drives past a windmill farm recently built on the edge of Lake Nicaragua in Rivas, Nicaragua, Dec. 21, 2008.   (AP Photo/Esteban Felix)
Single-celled organisms can absorb surplus power and emit methane, which can help greenies store power from uneven sources like wind and solar.
Single-celled organisms can absorb surplus power and emit methane, which can help greenies store power from uneven sources like wind and solar.   (Shutterstock)
Large windmills and solar panels are seen Monday, Oct. 6, 2008, in Atlantic City.
Large windmills and solar panels are seen Monday, Oct. 6, 2008, in Atlantic City.   (AP Photo/Mel Evans)
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COMMENTS
Showing 1 of 1 comment
Doctor-Zaius
Apr 7, 2009 11:06 AM CDT
Let's get this stuff going. All I see riding the road are petroleum fueled vehicles. We need to be in the 21st century now not 50 years from now.

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