India has not assessed E20 readiness across its vehicle fleet, Parliament told
The government said testing has found no major engine or corrosion issues with E20, but E10-designed vehicles can see a 3–5% mileage drop. The update matters for owners of older petrol vehicles as E20 use expands nationwide.
India said it has not surveyed the share of vehicles fully ready for E20 petrol, but testing found no major engine or corrosion issues. E10-designed vehicles may lose 3-5% mileage, while E20 has been used for over 2.5 years.
Why this matters
The update extends recent government disclosures that India has not assessed how many vehicles are fully compatible or fully E20-compliant, highlighting an unresolved fleet-readiness gap as E20 expands.
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