India’s ethanol revolution will succeed only if its costs are shared more fairly. On June 13, Union Minister Nitin Gadkari approved regulations giving E100 fuel legal status in India. The move does more than add two new fuel grades to India’s pumps. It marks the evolution of ethanol from a green fuel and sugar-surplus solution into a strategic fuel designed to reduce India’s exposure to external energy shocks. For over a decade, the older version of the ethanol programme deli