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A security guard stands between solar panels implemented by Amplus Solar on the roof of the Yamaha Motor Co. plant in Surajpur, Uttar Pradesh, India, on Wednesday, July 20, 2016. The Japanese motorcycle maker wants solar power to supply a quarter of energy needs at its northern Indian factories near Delhi, according to company executives. Photographer: Prashanth Vishwanathan/Bloomberg via Getty Images

A security guard stands between solar panels implemented by Amplus Solar on the roof of the Yamaha Motor Co. plant in Surajpur, Uttar Pradesh, India, on Wednesday, July 20, 2016. The Japanese motorcycle maker wants solar power to supply a quarter of energy needs at its northern Indian factories near Delhi, according to company executives. Photographer: Prashanth Vishwanathan/Bloomberg via Getty Images