E20 Petrol Cuts Fuel Efficiency by Up to 6% vs E10, ARAI Tests Show

Government lab ARAI tested vehicles across three age groups on dynamometers, finding ethanol's lower calorific value drives a 2–6% mileage drop — with older cars likely hit hardest.

bt-corporate · 7/6/2026, 8:50:27 AM · Ask about this →