Inderjit Singh

I would like to clear the air on a technical comment made by me in a recent interaction with ANI. The comment has been completely taken out of context, leading to unscientific conclusions being drawn around unfounded mileage reduction claims on E20 fuel. My reference was to the chemical characteristics of ethanol in comparison with petrol. It was not a statement that E20 petrol causes a reduction in vehicle mileage. I must share that supported by scientific evidence, the use of E-20 fuel gives better acceleration, better ride quality and lowered carbon emissions by approximately 30% as compared to E10 fuel. Ethanol’s higher-octane number (~108.5 compared to petrol’s 84.4) makes Ethanol-blended fuels a valuable alternative for higher- octane requirements that is crucial for modern high-compression engines RON 95 with blending of Ethanol 20, results in better anti knocking properties and performance. Vehicles tuned for E20 fuel deliver better acceleration which is a very important factor in city driving conditions. Additionally, Ethanol’s higher heat of vaporization reduces intake manifold temperatures, increasing air-fuel mixture density and boosting volumetric efficiency. E20 causes a “drastic” reduction in fuel efficiency are misplaced. Vehicle mileage is influenced by a variety of factors beyond just fuel type. These include driving habits, maintenance practices such as oil changes and air filter cleanliness, tyre pressure and alignment, and even air conditioning load. E20 has proven technical advantages, the benefits of which have to be experienced in the correct scientific context. Its higher octane value helps the fuel resist knocking, thereby supporting smoother engine performance. Its higher heat of vaporisation helps reduce intake manifold temperatures in gasoline engines, improving the density of the air-fuel mixture and supporting better volumetric efficiency. Very importantly, E20 contributes to a marked reduction in harmful emissions, reduces dependence on fuel imports, strengthens India’s energy security and supports cleaner air.