E20 petrol does not significantly cut mileage or harm engines: IIT Kanpur

Amid concerns over the nationwide rollout of E20 petrol, IIT Kanpur said its research found no significant drop in fuel efficiency and no evidence that fuel damages vehicle engines. The institute claimed fuel efficiency drops by less than 5% with E20. Project Scientist Dhruv Raj Karana said extensive testing showed E20 doesn't cause engine damage, corrosion or other technical problems.