E20 petrol can reduce vehicle mileage by up to 6%: Nitin Gadkari in Parliament

E20 petrol may reduce vehicle mileage by two to six percent. Extensive testing has found no engine failures linked to this fuel. Studies indicate improved acceleration and better ride quality with E20. Carbon emissions are reduced by approximately thirty percent compared to E10. Automobile manufacturers continue to hon

Critics have questioned whether all vehicles are fully compatible with E20, flagged the possibility of reduced fuel efficiency and higher maintenance costs, and sought clarity on liability if engine or fuel-system problems arise

The studies showed that even older vehicles did not experience any significant changes in performance or abnormal wear and tear after operating on petrol blended with 20 per cent ethanol, the minister said.