September 30, 2008 - News brief -
Promethean Power Systems says solar-powered cooling unit uses thermoelectric technology to reduce power consumption.
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October 19, 2007 - Exclusive -
An industry forum in San Francisco highlighted the many choices available now, but there's still plenty of room to grow.
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June 27, 2007 - Exclusive -
The gov't is creating cellulosic ethanol research centers around the U.S. Not everybody thinks it's doing the right thing.
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June 13, 2007 - Exclusive -
BioCentric Energy says it has heavy hitters. In working with U.S. Sustainable Energy, is it holding the right bat?
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