After twists and turns, #SunPower and #SolarCity emerge as fierce rivals for solar roofs http://t.co/EhVA7tqSB8

After twists and turns, #SunPower and #SolarCity emerge as fierce rivals for solar roofs http://t.co/EhVA7tqSB8

— Rajesh (@raj1094) June 25, 2014

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