E20 petrol may harm BS-III vehicle rubber parts, says Nitin Gadkari

Road transport minister Nitin Gadkari informed Rajya Sabha about E20 fuel impacts. Studies found no major performance impact on overall vehicle operations. BS-VI vehicles continue meeting emission norms when tested with E20 fuel. Legacy vehicles did not exhibit significant performance variations or abnormal wear. Howev

The studies showed that even older vehicles did not experience any significant changes in performance or abnormal wear and tear after operating on petrol blended with 20 per cent ethanol, the minister said.

Critics have questioned whether all vehicles are fully compatible with E20, flagged the possibility of reduced fuel efficiency and higher maintenance costs, and sought clarity on liability if engine or fuel-system problems arise