E20 Petrol Rule 2026: Can Older BS4 And BS6 Vehicles Run Safely?

India is steadily expanding the availability of E20 petrol as part of its broader effort to reduce dependence on imported crude oil and increase the use of cleaner fuels. The blend contains 20 per cent ethanol and 80 per cent petrol, with the government aiming to strengthen energy security while creating additional demand for agricultural produce used in ethanol production.