BNEF: 最も安価なエネルギー源は太陽光発電・単価は石炭火力の半額 ...Business NewslineThe best in buisiness, finance and technology news. Read more http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNFrCNUIMIv9KM3W_s-aw-j1qfs0Sg&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=oy1VWMjeLN
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