Facing criticism over 20 percent ethanol-blended petrol (E20), the Centre defended the move on Tuesday, citing reduced pollution, lower oil imports, better acceleration, and 30 percent less carbon emissions than E10. The Petroleum Ministry acknowledged some complaints about mileage and engine issues in vehicles not tuned for E20 but said these were expected and minor. Ethanol’s higher octane rating suits modern engines, improving efficiency and acceleration.
A NITI Aayog study showed sugarcane-based ethanol cuts greenhouse gases by 65 percent and maize-based by 50 percent versus petrol. Since 2014-15, ethanol blending saved over Rs 1.44 lakh crore in foreign exchange and cut CO2 emissions equal to planting 30 crore trees. Farmers are expected to earn Rs 40,000 crore this year, with Rs 43,000 crore saved in imports.
The government stressed rural benefits, dismissed major vehicle wear claims, and said only some older vehicles may need minor part replacements. Despite ethanol’s higher price, oil firms continue blending for long-term energy security and environmental gains. E20 use is fixed until October 2026, with any increase pending review. Brazil’s success with E27 and compatible vehicles from Hyundai, Toyota, and Honda were also noted.
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