Decoding the transition to alternative fuels

Why in the News

August 2026 recorded a historic fuel crossover in India’s passenger vehicle market. Data from the Federation of Automobile Dealers Associations (FADA), the apex body of vehicle dealers that compiles retail registration data, showed that the share of new vehicles in the alternative fuels category reached 41.95 per cent against petrol’s 40.85 per cent, the first time the former has overtaken the latter. The crossover follows a steady five year decline in the fossil fuel share of all registrations. The tension inside the number is that the alternative fuels category combines compressed natural gas, hybrid and electric vehicles, and in the car segment the shift has gone mainly to gas rather than to electricity.

What counts as an alternative fuel in this data?

1. FADA’s definition: The alternative fuels category combines compressed natural gas (CNG), hybrid and electric vehicles into a single share.
2. Two of the three are still fossil fuels: CNG and liquefied petroleum gas (LPG) are fossil fuels, and their advantage over petrol and diesel is significantly lower emissions rather than zero emissions.
3. Hybrids straddle the categories: A hybrid car runs on petrol combined with CNG or LNG, so a rise in its share moves a vehicle out of the petrol column without removing it from fossil fuel use.

How far has the overall fuel mix actually shifted?

1. Fossil fuels still dominate: Petrol and diesel accounted for 83.5 per cent of the roughly 82 lakh vehicles registered from January to March 2026.
2. The five year fall: That is a drop of 11.5 percentage points from the same period in 2021, when petrol and diesel accounted for over 95 per cent of the 57 lakh vehicles then registered.
3. Electric vehicles overall: Electric vehicles accounted for 10.6 per cent of total registrations.
4. What the aggregate conceals: A granular reading of the sub categories shows that the headline electric share is driven by particular segments rather than by a uniform shift.

Which segments are driving electric adoption?

1. Two wheelers carry the volume: The two wheeler segment accounts for over 70 per cent of all new vehicles registered in the country, so its mix moves the national figure.
2. A step change in two wheelers: The electric share in two wheelers jumped from 6.4 per cent in 2025 to 9.1 per cent in 2026 up to August, after only marginal year on year increases before that.
3. A first for petrol two wheelers: This is the first time the share of two wheelers running on petrol has come down to the 90 per cent mark, and that fall pulled the all category petrol and diesel share well below 85 per cent this year.
4. Three wheelers have already transitioned: Of the roughly 9.8 lakh three wheelers registered till August 2026, 60.5 per cent were electric, and the petrol and diesel share in the segment halved from nearly 30 per cent in 2021 to under 15 per cent in 2026.
5. Gas is receding there too: The share of three wheelers using CNG or LPG has also come down this year, and the segment accounts for only 4 per cent of all vehicles sold.

Why are cars the laggard in this transition?

1. Cars are the second largest segment: Cars account for the second biggest share of vehicles after two wheelers, so the car mix decides how much the headline crossover means.
2. The headline fall is real: The share of petrol and diesel cars dropped from 86 per cent in 2021 to 61.6 per cent in 2026.
3. Gas, not electricity, replaced them: That decline is accounted for mainly by hybrid cars running on petrol with CNG or LNG rather than by electric cars.
4. Hybrid share has plateaued: The share of hybrid electric vehicles has stayed fairly constant since 2023 at around eight per cent.
5. Electric growth is slow here: Sale of electric cars is progressing, and it is much slower than the growth in vehicles using CNG or LPG.

Challenges to electric vehicle adoption in India

1. Charging density decides car buying: A car buyer without home charging or a reliable public network defaults to a fuel that can be refilled in minutes, which is why CNG is winning the switch. Eg. India’s public charging network remains concentrated in a handful of metropolitan corridors while CNG retail outlets are far more widely distributed.
   The Fix: Mandate charging provision in new building codes and tie highway charger density targets to national highway concession agreements.
2. Battery inputs are imported: Cell manufacture depends on lithium, cobalt, nickel and graphite that India does not produce at scale, so the cost base sits outside the country. Eg. The lithium block identified at Reasi in Jammu and Kashmir has been put to auction and is far from production.
   The Fix: Run the National Critical Mineral Mission alongside overseas asset acquisition and mandatory battery recycling targets, so recovered material offsets imported feedstock.
3. The emissions gain depends on the grid: An electric vehicle charged on a coal heavy grid shifts emissions from the tailpipe to the power plant rather than removing them. Eg. Coal remains the largest source of electricity generation in India by a wide margin.
   The Fix: Pair electric vehicle incentives with time of day tariffs that push charging into hours of high renewable generation.
4. Resale value and financing are unresolved: Uncertainty about battery life depresses the second hand price of an electric car, and lenders price that uncertainty into the loan. Eg. Battery replacement cost can approach a large share of an older electric car’s residual value.
   The Fix: Mandate a standardised battery state of health certificate at resale, so the residual value rests on a measured figure rather than on a guess.
5. Demand tracks the subsidy window: Electric two wheeler sales have moved with the opening and tapering of central purchase incentives rather than with underlying preference. Eg. Electric two wheeler volumes fell sharply after the subsidy rate under the second phase of the Faster Adoption and Manufacturing of Electric Vehicles scheme was reduced in 2023.
   The Fix: Shift support from purchase subsidies to permanent structural levers such as differential road tax, registration fee waivers and scrappage linked credits.

Conclusion

The crossover is real, and its composition is the substantive finding. India is moving off petrol and diesel fastest in the segments where the vehicle is cheap, the daily range is short and the duty cycle is predictable, which is why three wheelers are past 60 per cent electric and cars are not. For cars the transition so far is a substitution within the fossil fuel family rather than an electrification. The measure to watch is the electric share of car registrations, which will move only once charging infrastructure is dense enough to remove the range calculation from the purchase decision.

Back2Basics: Vahan portal

1. What it is: Vahan is the national vehicle registration database of the Ministry of Road Transport and Highways, developed with the National Informatics Centre.
2. Coverage: It consolidates registration records filed by Regional Transport Offices across States and Union Territories onto a single platform.
3. Why it is used as data: Its public dashboard reports registrations by fuel type, vehicle category and State, which makes it the standard source for fuel mix analysis.
4. Its limit: It records registrations rather than sales, so unregistered vehicles and jurisdictions outside its coverage fall outside the count.

Matching Previous Year Question

“[2025] Consider the following types of vehicles: I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell electric hybrid vehicles How many of the above are considered as alternative (powertrain) vehicles? (a) Only one (b) Only two (c) All the three (d) None Answer: (c)”