Economic Times: Reliance Industries' Chairman Mukesh Ambani, owner of world's largest oil refinery, today said solar power will be at the core of the shift in future source of energy needs - from hydrocarbon to renewable. "We will transit form hydrocarbon presence which is coal, oil and natural gas over the next many decades into a fully renewable, sustainable future and the solar really will be at the heart of it," Ambani said in an interview with CNN International. Reliance has a solar division that was established...