India defends E20 fuel rollout, says older cars OK

The Indian government on Wednesday, July 29, 2026, defended the nationwide rollout of E20 petrol, stating that extensive studies show the fuel is broadly compatible with the existing vehicle fleet, including older models. In a written reply to the Rajya Sabha, Road Transport and Highways Minister Nitin Gadkari acknowledged that some rubber parts and gaskets in a specific category of older vehicles may require replacement but asserted this can be managed during routine servicing.

The government's statement comes amid criticism from opposition parties and some consumer groups, who have raised concerns about the impact of the 20 percent ethanol blend on vehicles not originally designed for it. Critics have questioned vehicle compatibility, flagged potential reductions in fuel efficiency, and raised the prospect of higher maintenance costs for consumers.

Minister Gadkari detailed the findings of a comprehensive study conducted jointly by the Indian Oil Corporation Limited, the Indian Institute of Petroleum, the Society of Indian Automobile Manufacturers, and the Automotive Research Association of India. The study evaluated the effects of E20 fuel on two-wheelers and four-wheelers....