Reuters: US solar exports to India have fallen by more than 90 per cent since India brought in the rules. India lost its appeal at the World Trade Organization in a dispute over solar power on Friday, failing to overturn a U.S. complaint that New Delhi had discriminated against importers in the Indian solar power sector. The WTO's appeals judges upheld an earlier ruling that found India had broken WTO rules by requiring solar power developers to use Indian-made cells and modules. The appeal ruling is final...