E20 petrol not sole reason for lower mileage, Centre says The Economic TimesE20 mileage row: Govt says fuel alone cannot be blamed; cites driving, traffic, maintenance The Times of IndiaEXCLUSIVE: Emails reveal Indian carmakers’ fuel contamination worries before public retreat ReutersIs ethanol the villain? Experts say the key is maintenance The New Indian Express’Mileage depends on more than fuel alone’: Oil Ministry defends E20, calls it validated Business Today