India should bring back E10 option to ease consumer's concerns, says chief economic advisor

India's chief economic advisor, V Anantha Nageswaran, has suggested that the country should reintroduce a lower ethanol blend, such as E10, to address public concerns and reduce overall ethanol consumption. This proposal, co-authored by economic affairs consultant Akash Poojari, argues that restoring E10 alongside the current E20 option would ease worries about engine damage, lower total ethanol usage, and maintain the existing vehicle fleet while the retrofit process for ethanol compatibility continues.

The piece clarifies that there is no evidence of engine damage resulting from E20, but acknowledges concerns about the impact of the 20% ethanol blend on older vehicles with rubber seals not rated for ethanol, which would require extensive retrofitting. The rollout of E20 fuel has faced criticism from opposition parties and consumer groups who claim it can damage engines and is unsuitable for older vehicles.

However, oil companies, automakers, and the government have defended the decision, stating it was carefully evaluated and tested. Recent nationwide tests of E20 petrol found no signs of high moisture or chloride contamination, and the fuel quality remained within prescribed limits throughout the supply chain. Still, concerns remain over the suitability of blended fuel for older vehicles and its effect on mileage.

Union Minister Hardeep Singh Puri defended the blending policy, accusing detractors of attempting to create controversy, while Minister Nitin Gadkari highlighted the successful validation of fuel systems, engine durability, and consumer acceptance, stating that exhaust emissions meet the required norms when tested with E20.