Solexel, SolFocus, Sopogy Raise Money in Tough Solar Environment

Solexel using silicon gas to make extremely thin solar cells, SolFocus for concentrating PV and Sopogy for micro-scale concentrating solar.

[source: http://feeds.sustainablebusiness.com/~r/SBGeneralNews/~3/uOAbrcwEgY8/23720]


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