E20 sparks concerns among ridersThe Centre's push for mandatory 20% ethanol-blended petrol, or E20, has triggered a political row, with Opposition leaders citing a 2021 NITI Aayog report to question the nationwide rollout. They argue that the Centre departed from the phased transition and safeguards proposed in the report before making E20 the standard fuel at petrol pumps across India in April 2025.The controversy escalated after a Supreme Court hearing on petitions challenging the E20 policy. During the hearing, Attorney General R Venkataramani referred to E20 as an "experiment", saying its results would be known next year. While the Centre later denied that E20 itself was being described as an experiment, videos of the court proceedings went viral, fuelling fresh criticism and renewed f