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India Allows 100% Ethanol E100 in Flex-Fuel Cars

By Drooid · Oct 27, 2026, 10:47 AM UTC · How we work

Summary

Story summary

India’s Ministry of Road Transport and Highways amended the Motor Vehicles Rules to allow 100% ethanol (E100) in flex-fuel vehicles.
Only OEM-certified flex-fuel models may use E85 or E100, while existing cars are not required to switch.
The amendment raises the light-vehicle weight ceiling from 3,000 kg to 3,500 kg.
The government estimates a 5% mileage loss because E100 has about 30% less energy per litre.

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Story summary

India’s Ministry of Road Transport and Highways amended the Motor Vehicles Rules to allow 100% ethanol (E100) in flex-fuel vehicles.
Only OEM-certified flex-fuel models may use E85 or E100, while existing cars are not required to switch.
The amendment raises the light-vehicle weight ceiling from 3,000 kg to 3,500 kg.
The government estimates a 5% mileage loss because E100 has about 30% less energy per litre.