Flex-fuel: The future of India’s ethanol push

At a time when even the EV transition remains heavily dependent on imported components, flex-fuel may well represent India’s most realistic route towards true energy self-reliance.

India has already proved it can move quickly on ethanol. The question now is whether it can move smartly.

The answer is not to linger over halfway stops like E22, E25 or E27. The next logical step is flex-fuel. If India wants lower oil dependence, a stronger domestic fuel base and a transport system that can actually scale, flex-fuel is the cleaner and more durable path.

The logic is simple. Flex-fuel vehicles allow consumers to use whatever blend is available locally, whether E20, E85 or E100. That flexibility matters in a country as large and uneven as India, where fuel availability, logistics and regional supply conditions vary widely. It also saves automakers from repeatedly spending on separate development and testing programmes for every new blend level. One vehicle platform, many fuel options: that is the real efficiency gain.

This debate matters even more now because the global oil environment has become increasingly unstable. The West Asia crisis is another reminder that India’s transport fuel system is still too exposed to imported crude and the geopolitical shocks that come with it. The Prime Minister’s call to conserve fuel and reduce import dependence is therefore not just political messaging. It is a strategic warning.

On that measure, ethanol-blended flex-fuel vehicles make a strong case for themselves. They are, in effect, Atmanirbhar. The fuel can be produced domestically. The feedstock can be sourced domestically. The value chain stays largely within India. In a period when energy security is being tested from every direction, that is not a small advantage.

The case for flex-fuel becomes even stronger when compared with the current EV transition narrative. Electric vehicles will certainly be part of India’s long-term future, but the present reality is more complicated. A large share of the EV ecosystem still depends on imported cells, batteries, motors and magnets. Out of 49 EV passenger vehicle models currently available in India, only six meet the 40 percent local value-add threshold of Performance Linked Incentive schemes.

So the danger is obvious: a rapid move to EVs today may not eliminate import dependence at all. It may simply shift it from the Middle East to China and the restriction of Chinese rare-earth magnets last year was no less impactful to EVs as the Straits of Hormuz closure has been to internal combustion engine vehicles.

That is why India needs a broader fuel strategy, not a narrow one. Ethanol and flex-fuel deserve more serious support because they are rooted in Indian agriculture, Indian biomass and Indian industrial capability. They convert surplus grain, molasses, maize and agricultural residue into transport energy. They keep more value inside the country. They reduce pressure on crude imports. And they offer a path that is both practical and sovereign.

The Automotive Industry is right to ask for policy support to make this shift possible. If flex-fuel is to become a mass-market technology, it will need lower GST or some other form of fiscal encouragement. It will also need fuel economics that make sense. E85 or E100 must be meaningfully cheaper than petrol, ideally by at least 30%, if consumers are to see a real reason to switch. Nobody buys into a new fuel system because it sounds patriotic. People switch when the economics, convenience and availability all line up.

That is why the government’s policy direction matters so much. NITI Aayog’s recent report is important because it includes biofuel-based vehicles in the definition of Zero Emission Vehicles for the first time. That is a significant shift in thinking. It shows that the policy establishment is beginning to understand that India’s mobility transition will not be a straight line from petrol to battery.

The report’s sequencing is also sensible. It recommends first phasing out the most polluting diesel vehicles and moving toward lower-emission options such as CNG, hybrids and EVs. The next phase should expand biofuels through flex-fuel vehicles, high bio-CNG blends and hybrid FFV models, while EV adoption continues. The final phase should move toward full deployment of Zero Emission Vehicles, including EVs, hydrogen vehicles, FFVs and CBG-based models, with segment-specific targets and compliance timelines. That is a realistic roadmap, not a slogan.

And realism is the point. India’s transition cannot be powered by one technology alone. It needs a portfolio. EVs will matter. Hybrids will matter. CNG and biogas will matter. But flex-fuel deserves a central place in that mix because it can turn India’s biomass advantage into transport energy now, not at some distant future date.

That is the larger strategic gain. India has the agricultural base, biomass potential and industrial depth to produce fuel domestically at scale. Ethanol gives that potential an outlet. It uses surplus and residue more productively. It supports rural incomes. It keeps more of the energy value chain within India. And it reduces dependence on imported crude at a time when that dependence is increasingly risky.

The government should therefore stop treating flex-fuel as a side branch of the ethanol story. It should be the main road ahead. That means fiscal support for FFVs, clear pricing for E85 and E100, and a serious market-building strategy that gives both consumers and manufacturers confidence. India does not need more halfway solutions. It needs a policy that can carry the weight of its ambitions. Flex-fuel is that policy.

The government should therefore stop treating flex-fuel as a side branch of the ethanol story. It should be the main road ahead.

The writer is Director and the Printer & Publisher of The Pioneer; Views presented are personal.