A 10 coach train carrying 2,600 passengers began daily hydrogen fueled service across 55 miles of Haryana track, so diesel lost its last excuse on an unwired rail line
The platform at Jind smells like diesel exhaust from every other train that has ever stopped there.
Not this one.
This one hisses faintly, vents a thin curl of water vapor, and pulls away almost silently toward Sonipat.
Hydrogen stored in rooftop tanks is pushed through a fuel cell stack, where it reacts with oxygen pulled from the air, and only water vapor comes out the other end.
It carries up to 2,600 people.
And it runs on a fuel that, until a Friday last July, no Indian train had ever burned commercially.
The hydrogen fueled train is real, it is scheduled, and its tanks hold the answer to the next question anyone standing on that platform should ask, which is how a train this size moves without a wire overhead or a tank of diesel underneath.
How do you power a ten coach train without a single overhead wire
The trick is not a bigger battery, it is a small onboard power plant that never needs recharging from the grid. Hydrogen stored in rooftop tanks is pushed through a fuel cell stack, where it reacts with oxygen pulled from the air, and only water vapor comes out the other end.
Two driving power cars each rated at 1,200 kilowatts do the heavy lifting. Combined output reaches 2,400 kilowatts, enough to move eight passenger coaches at a sustained 47 miles per hour.
So the train needs no catenary wire strung overhead, which matters enormously on a line like Jind to Sonipat that was never electrified in the first place. Instead of a multi year wiring project, the railway simply swapped the fuel inside a familiar diesel style frame, letting a clean fuel cell stack do the work a diesel engine used to do.
Picture the machine doing its job on an ordinary morning
At the Jind end of the line sits a dedicated hydrogen plant built to keep the train fed, storing up to 6,600 pounds of hydrogen produced through electrolysis. That is roughly enough gas, compressed into rooftop cylinders, to carry the train across its full 55 mile run without a midday refill.
Indian Railways has described this as the world’s longest hydrogen fueled passenger rail service now in regular operation, a commuter train the length of a small cargo ship gliding past wheat fields with no smoke trailing behind it. Even the paint scheme sets it apart from the diesel rakes still working neighboring routes, a visual cue that most riders boarding are experiencing a hydrogen powered vehicle for the first time.
What the launch day actually proved, and where the numbers came from
India launched commercial service of the train last July, after the Railway Board issued formal approval in a communication dated May 22 clearing a 10 car hydrogen fuel cell DEMU trainset for operation. That approval followed years of design and prototyping by the Integral Coach Factory in Chennai, working alongside the Research Designs and Standards Organisation on the technical groundwork.
The launch placed India, according to Bloomberg’s reporting on the debut, inside a small global club of countries running hydrogen fueled rail technology in actual commercial service rather than on a test track. Germany got there first, with the Coradia iLint design entering regular passenger service in Lower Saxony back in 2018, still the benchmark most of the industry measures newer entries against.
So Jind to Sonipat did not invent hydrogen rail. What makes it count as a genuine milestone is the coach count and capacity, and the fact that a fuel cell has now sustained full timetabled service rather than a single demonstration run.
Where this approach runs into its own limits
None of that erases the harder arithmetic sitting behind the train. The climate benefit of any hydrogen fueled vehicle depends entirely on how the hydrogen itself was made, and electrolysis only counts as clean if the electricity feeding it comes from a low carbon grid.
Energy reporting on the launch has noted that more than half of the country’s electricity still comes from thermal, largely coal fired, sources. That gap does not cancel what happens at the rail itself, where the only exhaust is water vapor, but it does mean the full climate case rests on a second, slower build.
That build is enough wind, solar, and other low carbon capacity to make the hydrogen genuinely green rather than merely relocating emissions upstream to a power plant. According to a Ministry of Railways factsheet on the project, officials intend to use lessons from this deployment to evaluate hydrogen traction on heritage and tourist corridors, where unelectrified branch lines are common.
What a quiet platform in Haryana says about the years ahead
A single train on a short branch line will not retire diesel traction across a rail network that still runs thousands of diesel locomotives nationwide. But it establishes, in measured daily operation rather than a press release, that a fuel cell stack can carry thousands of passengers at normal commuter speeds without a wire overhead.
That matters most for exactly the kind of track this train runs on, short unelectrified branch lines where wiring the full corridor was never going to pencil out economically. The North Cascades dams show a similar logic at work elsewhere in the power system, proving infrastructure built for one era can be adapted rather than replaced outright.
Even the hydrogen plant at Jind, a modest fixture beside the tracks, is itself a working prototype for how a branch line fuels an entirely different kind of locomotive. Engineers elsewhere are chasing related ideas, from a hydrogen backup engine that kept a data center running in Austria to onboard storage schemes nobody has fully standardized yet.
What the platform at Jind now proves, on an ordinary weekday, is that the hardest part already works: moving thousands of people without a wire, a tank of diesel, or a plume of exhaust.
Hugo is an engineer with strong technical expertise. Multilingual from an early age, his writing combines technical clarity with a strong interest in science and energy.
