Using 20 per cent ethanol blended petrol (E20) marginally impacts fuel efficiency of four-wheelers that are designed for E10 fuel and can be calibrated for E20, which can be reduced with minor tuning.

(MENAFN- IANS) New Delhi, March 20 (IANS) Using 20 per cent ethanol-blended petrol (E20) did not result in any major issues in vehicle performance, wear of engine components, or engine oil ...