New Delhi, July 14 -- Union Road Transport and Highways Minister Nitin Gadkari has said that fuel alone cannot be blamed for lower fuel efficiency as several other factors influence a vehicle's performance adding the average car owner cannot accurately measure their vehicle's fuel efficiency on their own and should rely on tests conducted by authorised dealers.

His response came amid growing concerns over the impact of E20 petrol on vehicle mileage.

Speaking to ABP News on Monday, Gadkari was asked about complaints from several car owners who claim their vehicles have delivered lower mileage after switching to E20 petrol. Citing a personal example, the interviewer said her car's fuel efficiency in city driving had dropped from around 11...