BS-III vehicles may need tweaks for E20 fuel, says Centre

The Union government informed Parliament that some rubber parts and gaskets in BS-III vehicles might require replacement when using E20 fuel (a blend of 20% ethanol and 80% petrol). This information comes from a study, not yet made public, conducted by Indian Oil Corporation, Indian Institute of Petroleum, Society of Indian Automobile Manufacturers, and Automotive Research Association of India. For vehicles other than BS-III, the study found no need for engine modifications. The Minister of Road Transport and Highways, Nitin Gadkari, stated that these replacements could be managed during routine servicing.

Key Points

  • BS-III vehicles may require replacement of certain rubber parts and gaskets when using E20 fuel.
  • E20 fuel is a blend of 20% ethanol and 80% petrol.
  • A study by various Indian organizations found no need for engine modifications in non-BS-III vehicles for E20 fuel.
  • The study's findings have not yet been made public.

Exam Facts

  • E20 fuel: 20% ethanol, 80% petrol.
  • Union Minister of Road Transport and Highways: Nitin Gadkari.
  • Study conducted by: Indian Oil Corporation Limited, Indian Institute of Petroleum, Society of Indian Automobile Manufacturers, Automotive Research Association of India.

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All current affairs of 30 July 2026