India’s shift to E20 petrol has triggered widespread debate, with motorists questioning whether the fuel could damage older vehicles, why it costs more despite being domestically produced, and why consumers cannot choose between different petrol blends.
In response, the government has issued a detailed clarification, explaining the technical, economic and logistical reasoning behind its ethanol blending programme.
According to the Ministry of Petroleum and Natural Gas, E20 is not a sudden policy change but the result of a phased transition that began over two decades ago. Ethanol blending was introduced in 2001, with blending levels gradually increasing before India reached its 20 per cent target this year.
Gradual Shift To E20
The government says the move to E20 followed years of consultations with automobile manufacturers, fuel companies and other stakeholders, alongside a steady expansion in ethanol production capacity. Blending levels stood at around 8 per cent in 2021 before accelerating towards the national E20 target.
Officials argue that the rollout was designed to ensure both the automotive industry and fuel supply chain had sufficient time to adapt, rather than introducing a higher ethanol blend overnight.
Addressing Vehicle Concerns
One of the biggest concerns surrounding E20 has been its impact on older vehicles.
According to the government’s clarification, the fuel underwent extensive testing by the Automotive Research Association of India (ARAI) in consultation with the Society of Indian Automobile Manufacturers (SIAM). The assessment examined engine durability, corrosion, fuel systems and overall vehicle performance before E20 was introduced nationwide.
The government also cites field data from automobile manufacturers. Maruti Suzuki serviced around 2.84 crore vehicles last year, including nearly 1.5 crore older vehicles that were not originally certified for E20, and reported no unusual corrosion or engine wear linked to the fuel.
It also refers to observations shared by Hero MotoCorp supporting the use of E20 in vehicles that carry an “E10 compatible” label.
Officials add that an E10 label reflects the fuel standard that existed when a vehicle was certified, rather than representing a maximum safe blending limit.
Why Fuel Isn’t Cheaper
A common question has been why E20 has not translated into lower fuel prices despite using domestically produced ethanol.
The government acknowledges that ethanol currently costs oil marketing companies about ₹72 per litre under fixed procurement arrangements, regardless of fluctuations in international crude oil prices. This means E20 can cost more to produce than conventional petrol under current market conditions.
However, officials argue that replacing a portion of imported crude with domestically produced ethanol provides greater insulation from global oil price shocks.
They also point to India’s relatively modest fuel price increases since 2022, compared with countries such as Pakistan, Sri Lanka, Bangladesh, Italy and France, as evidence that the strategy has helped cushion international volatility.
Supply Chain Challenges
The clarification also addresses why fuel stations cannot simply offer pure petrol, E10 and E20 simultaneously.
According to the government, maintaining three separate fuel grades across India’s network of more than one lakh retail outlets, refineries, pipelines and storage depots would require significant changes to the country’s fuel distribution system.
Officials say the existing infrastructure has been standardised around E20, making multiple nationwide fuel options operationally difficult.
The transition, they add, was supported by long-term ethanol purchase agreements signed by oil companies in 2021. These contracts enabled banks to provide escrow-backed financing, encouraging large-scale private investment in ethanol production.
Since then, nearly ₹1 lakh crore has been invested in ethanol plants, storage facilities and associated infrastructure, making any reversal of the policy unlikely in the near future.
Beyond fuel supply, the government says the programme has helped substitute nearly 316 lakh metric tonnes of crude oil imports, save almost ₹2 lakh crore in foreign exchange, reduce carbon emissions and channel more than ₹1.66 lakh crore in payments to farmers supplying feedstock for ethanol production.
While the transition to E20 continues to prompt questions among consumers, the government’s latest clarification seeks to explain the technical testing, infrastructure investments and economic considerations behind the policy.
Whether these arguments fully settle the debate remains open to public scrutiny, but they provide a clearer understanding of why India has made ethanol blending a key part of its long-term energy strategy.
Also Read: Has India Rushed Into E20 Petrol? Government Clarifies Viral Claims Around Ethanol Blending
