E20 rollout sparks consumer issues: Mileage dip, engine woes reported — what car owners say about use of ethanol-blended petrol

Ethanol-blended petrol worries shoppers (AI-image)

The nationwide rollout of 20 per cent ethanol-blended petrol (E20) has triggered a wave of questions and issues from automobile owners, with many claiming declining gasoline effectivity, sluggish efficiency and better upkeep prices. Service centres say non-E20-compliant autos — which nonetheless account for a majority on Indian roads — are dealing with engine put on and gasket failures, forcing shoppers to recalibrate or substitute elements.Car owners had been quoted by Economic Times an their expertise and opinion on authorities’s Ethanol-based gasoline. Mileage and efficiency hit? Rahul Vaidya, who owns a 2019 Volkswagen Vento, noticed his car’s mileage fall from 11–12 kmpl to 7–8 kmpl. “The ride felt heavier, and the response wasn’t as crisp,” he stated, earlier than a service centre confirmed his car wasn’t E20-compliant. After changing important parts and recalibrating the engine, efficiency was restored. Mahesh Nair, who drives a 2021 Suzuki Brezza, reported an identical drop of over 20 per cent in mileage, together with jerky drives and poor pick-up. His automobile required ECU tuning and E20-compatible elements to resolve the problems. “I had no idea my car wasn’t ready for E20 in the first place,” he stated. Industry executives estimate non-E20 autos may even see gasoline effectivity fall by round 7 per cent, whereas official research, together with these by the Automotive Research Association of India (ARAI) and the Petroleum Ministry, peg the drop at 1–6 per cent. ARAI director Reji Mathai stated subject trials had proven “no abnormalities,” although some plastics and elastomers did degrade underneath testing.Policy push vs consumer consciousness The ethanol-blending programme is central to India’s power technique. From April 2023, all new autos had been required to be E20-compliant, with stricter enforcement starting April 2025. Yet, 9 out of ten automobiles presently on the street are solely E10-ready, designed to deal with a most of 10 per cent ethanol. Consumers, nevertheless, seem largely unaware. “There’s a glaring gap in awareness. OEMs must educate car buyers. Consumers are stakeholders too,” stated Naveen Soni, former president of Lexus India. Two-wheeler maker Hero MotoCorp has issued advisories warning older autos might have modifications to run easily on E20. Some automakers have additionally hinted warranties could not maintain for autos working on increased ethanol blends. Oil corporations keep components are being launched to restrict corrosion. Brazil’s decades-long expertise with flex-fuel expertise is commonly cited as a mannequin, although specialists notice India’s consumer transition is proving extra abrupt. For the federal government, the programme has saved over Rs 1.44 lakh crore in overseas trade since 2014, substituted 245 lakh metric tonnes of crude, and reduce CO₂ emissions by the equal of planting 30 crore bushes. Ethanol demand has additionally boosted sugarcane farmers’ incomes, with funds this yr alone anticipated to the touch Rs 40,000 crore. But for automobile owners, the quick affect is increased gasoline payments and repairs. “E20 has a lower heat content than pure petrol, so a marginal drop in fuel efficiency is inevitable,” stated IV Rao, Distinguished Fellow at TERI. “The extent will vary by manufacturer and model, but consumers must not be left in the dark.”