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The Ministry of Petroleum and Natural Gas in India has confirmed that using ethanol-blended petrol (EBP) in vehicles does not cause any compatibility problems, major performance changes or unusual wear and tear.
In a written reply to the Rajya Sabha, the ministry said an inter-ministerial committee was formed after media reports and social media posts raised concerns about the use of E20 fuel. The panel examined issues related to vehicle compatibility and mileage.
Studies conducted by Indian Oil Corporation Limited (IOCL), the Automotive Research Association of India (ARAI) and the Society of Indian Automobile Manufacturers (SIAM) based on extensive field trials showed no negative effects or compatibility issues with E20.
Concerns have frequently been voiced by experts and the public that vehicles may not be suitable for ethanol blending, leading to reduced mileage, repeated repairs and a shorter vehicle life. But government agencies have rejected these claims.
The ministry said that even older vehicles “do not show any major changes in performance or abnormal wear when using E20 fuel. No issues were reported in areas such as drivability, steerability, or the compatibility of metal and plastic components.”
Findings from ARAI, SIAM and the Federation of Indian Petroleum Industry also noted that E20 fuel improves acceleration, enhances ride quality and cuts carbon emissions by about 30% compared to E10. The report stated that ethanol’s higher heat of vaporization lowers intake temperatures, which increases air-fuel mixture density and improves efficiency.
Full story E20 fuel safe for vehicles, no negative impact on performance, says Petroleum Ministry - ChiniMandi