India, July 8 -- Aam Aadmi Party (AAP) National Convenor Arvind Kejriwal on Wednesday intensified his opposition to the E20 (20 per cent ethanol-blended) petrol mandate, announcing that he has written to 29 auto manufacturing companies over concerns regarding the use of E20 fuel in older vehicles.

In a post on X (formerly Twitter), the AAP leader stated that he is writing formal letters to auto manufacturing companies in India, seeking clarification regarding the impact of E20 fuel on vehicles manufactured before 2023.

"Today, I am writing letters to all auto manufacturing companies in the country - they should inform the public whether E20 can be used in products made by them before 2023. If yes, then in case of mileage issues or damag...