Government Notifies Rules for Flex Fuel Vehicles Using E85 and E100
The Ministry of Road Transport and Highways has notified amendments to the Central Motor Vehicles Rules, 1989, to support the adoption of flex fuel vehicles capable of using E85 and other high ethanol fuels.
New Regulatory Amendment
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The Ministry of Road Transport and Highways has amended the Central Motor Vehicles Rules, 1989.
The changes support the adoption of flex fuel vehicles capable of using E85 and E100 ethanol fuels.
Inclusion of E100 Fuel
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The revised rules explicitly include E100 alongside E85 in emission certification requirements.
Vehicles using these fuels must comply with applicable emission and safety standards.
What is E85?
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E85 is a fuel blend containing up to 85% ethanol and 15% petrol.
The letter "E" denotes ethanol, while the number indicates the ethanol percentage.
How Flex Fuel Vehicles Work
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Flex fuel vehicles can operate on different combinations of ethanol and petrol using a single fuel tank.
Engine systems automatically adjust to the fuel blend being used.
The technology is already widely used in countries such as Brazil and the United States.
Expected Benefits
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Greater use of domestically produced ethanol can help reduce dependence on imported crude oil.
Ethanol use in compatible vehicles may help lower certain exhaust emissions and greenhouse gas emissions.
No Impact on Existing Vehicle Owners
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The notification applies only to vehicles specifically designed and certified for E85/E100.
Existing vehicle owners are not required to switch fuels or modify their vehicles.
Compatibility with E10 or E20 does not mean a vehicle can use E85.
Consumer Guidance
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Motorists should check their vehicle's fuel compatibility label.
Fuel selection should follow the manufacturer's recommendations in the owner's manual.
Additional Changes
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The notification also updates biodiesel-related provisions.
Several technical corrections have been incorporated into the rules.
Key Takeaway
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The government has formally enabled the certification of flex fuel vehicles using E85 and E100 ethanol fuels, a move aimed at supporting cleaner mobility and reducing oil import dependence, while making it clear that existing vehicles are not required to switch to these fuels.
