Flex-Fuel Vehicles Can Now Run on 100% Ethanol | E100 Approval Under New Vehicle Rules |

Under the government’s latest vehicle rules, flex-fuel vehicles can now be approved to run on ethanol blends up to what maximum limit?

✅ Correct Answer: 100% Ethanol (E100)

The Government of India has updated vehicle approval provisions to allow flex-fuel vehicles to operate on ethanol blends of up to 100% ethanol (E100).

This development supports India’s efforts to promote alternative fuels, encourage cleaner mobility and reduce dependence on imported crude oil.

📌 Important Facts for Competitive Exams:

Maximum ethanol blend: 100%

Fuel designation: E100

Vehicle category: Flex-fuel vehicles

E100 meaning: Fuel containing 100% ethanol

E85 meaning: 85% ethanol and 15% petrol

E20 meaning: 20% ethanol and 80% petrol

Relevant authority: Ministry of Road Transport and Highways (MoRTH)

Objective: Promote alternative fuels, reduce fossil-fuel consumption and support energy security.

Important Note: E100 can be used only in vehicles specifically designed, tested and approved for such high ethanol blends. Regular petrol vehicles are not automatically compatible with E100.

🎯 Useful for: UPSC, SSC, Banking, Railway, State PCS and other competitive examinations.

Watch this video to revise important government policies, transport developments and current affairs.

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