India Defends E20 Fuel Rollout Despite Motorist Efficiency Protests

The Government of India has faced significant backlash from motorists after mandating E20 petrol—a blend of 20% ethanol—as the standard fuel at all pumps starting April 1, 2026. The policy aims to lower carbon emissions, support farmers, and reduce crude oil imports, saving over Rs 1.97 lakh crore in foreign exchange since 2014-15. However, protesters in Delhi and reports from Mumbai service centers claim the fuel causes engine corrosion and residue build-up, especially since an estimated 75% of vehicles on Indian roads are not E20-compliant.

The Ministry of Petroleum and Natural Gas acknowledged that the fuel may cause a 3-5% reduction in fuel economy because ethanol contains less energy than conventional petrol. Despite this, the ministry maintains that these losses are outweighed by higher octane ratings and a 40% reduction in lifecycle carbon emissions. The government rejected requests to provide multiple fuel grades, citing the impracticality of parallel supply chains.

To counter claims of engine damage, the government cited data from Maruti Suzuki and Hero MotoCorp, which reported no E20-linked corrosion across millions of serviced vehicles. Road Transport and Highways Minister Nitin Gadkari further dismissed motorist complaints regarding mileage drops, asserting that fuel efficiency can only be accurately verified using authorized dealership machinery rather than personal calculations. Meanwhile, ICICI Lombard clarified that motor policies remain valid for vehicles using E20 fuel.