The ethanol story started simply enough: Cut India's dependence on imported crude oil. It would save foreign exchange. Give farmers a new and reliable buyer for their crops. And it handed sugar mills, which had spent decades swinging between glut and shortage, a steadier second income. The whole ecosystem was happy. Now controversies have erupted. But controversies are sometimes an indication that it is time to look beyond the obvious. Check out Stock Reports Plus, powered by Refinitiv, for pric