19 SEPTEMBER 2009AL CIRCLEBloomberg.com: NewsEdited by : AL CIRCLE1 min readSep 18, 2009 ... Melting alumina requires so much electricity that London- based Rio Tinto and Alcoa Inc. are more affected by higher electricity costs ...Tagged with:Rio tintoAlcoaEnergyPrevious articleIndia's NALCO gets approval for bauxite mine | ReutersNext articleBharti, DLF, Hindalco, NTPC, Tata Motors: India Equity Preview <b>...</b>Grow with AL CircleKNOW MORE