Bloomberg: India has a novel idea: Wean farmers from archaic power lines and expensive diesel fuel to run their water pumps with solar energy. The government is looking to swap 26 million groundwater pumps for more efficient irrigation models powered by the sun. If successful, crop production could rise in India, where farms suffer from blackouts and volatile fuel costs. It would also save about $6 billion a year in power and diesel subsidies. Companies targeting the market include BlackRock Inc (BLK).- backed...