Wednesday, December 24, 2014

Solar Prices Keep Dropping, NREL Achieves 46% Efficiency for Concentrating Solar Cells

http://www.sustainablebusiness.com/index.cfm/go/news.display/id/26060?utm_source=Sailthru&utm_medium=email&utm_term=Enewsletter&utm_campaign=E-Newsletter%202012


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