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CleanTech News

The latest news about environmental and green
technologies – renewables, energy savings, fuel cells

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Lower costs thanks to smart plugs (w/video)

Residents of a new eco-development on the coast can better control and understand their energy usage, thanks to a system that allows outlets to communicate with each other through the power grid.

Posted: Oct 22nd, 2012

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Solar power is contagious

People are more likely to install a solar panel on their home if their neighbors have one, according to a Yale and New York University study.

Posted: Oct 19th, 2012

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Americans use more efficient and renewable energy technologies

Americans used less energy in 2011 than in the previous year due mainly to a shift to higher-efficiency energy technologies in the transportation and residential sectors. Meanwhile, less coal was used but more natural gas was consumed according to the most recent energy flow charts released by Lawrence Livermore National Laboratory.

Posted: Oct 8th, 2012

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Study reveals how solvent mixtures affect organic solar cell structure

Controlling "mixing" between acceptor and donor layers, or solar cell domains, in polymer-based solar cells could increase their efficiency, according to a team of researchers that included physicists from North Carolina State University. Their findings shed light on the inner workings of these solar cells, and could lead to further improvements in efficiency.

Posted: Oct 4th, 2012

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Enough wind to power global energy demand

New research from Carnegie's Ken Caldeira examines the limits of the amount of power that could be harvested from winds, as well as the effects high-altitude wind power could have on the climate as a whole.

Posted: Sep 9th, 2012

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