Flex Fuel for UPSC
Flex-fuel vehicles (FFVs) run on any blend of petrol and ethanol, central to India's push to cut crude imports and emissions. High-yield Prelims angles: the Ethanol Blended Petrol programme (E20 target), feedstocks (sugarcane, maize, grain), Global Biofuels Alliance, and the difference between flex-fuel, biofuel, and EV pathways.
GS areas: Economy, Environment, S&T