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May 31, 2015

Coal facing worst year yet in 2015

May 31, 2015 // 0 Comments

2015 is shaping up to be a fateful year for the coal industry. After coal prices tumbled from their highs in 2011, the industry hit a rough patch. Years of buildup in mining [...]

Penn State develops CPV system for rooftops

May 31, 2015 // 0 Comments

Researchers at Penn State have developed a concentrating photovoltaic system that is small enough and light enough to be mounted on a building’s roof. “Concentrating [...]
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