Hydrogen and Clean Energy Needs

As we witness the devastating effects of climate change, it's clear that our reliance on fossil fuels must come to an end. Hydrogen, the most abundant element in the universe, has emerged as a game-changer in the transition to clean energy. From powering our homes to fueling our transportation, hydrogen is poised to play a vital role in shaping a sustainable future.

What is Hydrogen and How is it Produced?

Imagine a single, abundant element that could power your school bus, your family’s kitchen stove, even the lights in your classroom—without leaving behind the dirty haze of smoke or soot. That element is hydrogen, the lightest and most plentiful gas in the universe. On Earth, hydrogen rarely appears by itself; it’s usually locked inside water (H₂O) or bound up in natural gas (mostly methane, CH₄). To use it, we must “unlock” it—split water into hydrogen and oxygen or separate it from methane—so we can bottle its energy and send it where it’s needed.

Hydrogen is prized for its clean burn: when it meets oxygen, the only by-product is water vapour, not the carbon dioxide that chokes our cities. This makes it a perfect partner for India’s push toward cleaner skies. In 2021, the National Thermal Power Corporation (NTPC) opened India’s first green hydrogen fueling station at Leh, Ladakh, using solar power to split water and produce hydrogen on the spot. The station now fuels NTPC’s own vehicles, turning the thin mountain air and sunlight into a zero-emission drive up the Himalayas.

Producing hydrogen is like choosing your energy recipe. The most common method today is steam methane reforming: natural gas and high-temperature steam react to yield hydrogen and carbon dioxide. It’s efficient but leaves a carbon footprint. A greener route is electrolysis, where electricity—ideally from solar or wind—splits water into hydrogen and oxygen with almost no emissions. India’s National Hydrogen Mission aims to scale up electrolysis, turning monsoon rains and desert sun into hydrogen fuel for trucks, trains, and even future city buses.

Why is Hydrogen Considered a Clean Energy Solution?

As the world grapples with the challenges of climate change, clean energy solutions have become increasingly important. One such solution that has gained significant attention in recent years is hydrogen. But why is hydrogen considered a clean energy solution? The answer lies in its unique properties as an energy carrier. Hydrogen has the potential to decarbonize hard-to-reach sectors such as transportation, industry, and power generation, making it an attractive alternative to traditional fossil fuels. For instance, hydrogen can be used as a fuel for vehicles, providing a zero-carbon emission alternative to petrol and diesel. In India, companies like Tata Motors and Mahindra & Mahindra are already investing in hydrogen fuel cell technology, with the aim of developing commercial vehicles that run on hydrogen.

A key advantage of hydrogen is its zero-carbon emissions. When hydrogen is used as a fuel, it only produces water vapor and heat as byproducts, making it an extremely clean source of energy. This is particularly significant in the context of India, where air pollution is a major concern in many cities. The use of hydrogen as a fuel could potentially reduce greenhouse gas emissions and improve air quality, making it a valuable tool in the fight against climate change. For example, the Indian Oil Corporation has launched a hydrogen fuel cell bus pilot project in Delhi, which aims to demonstrate the feasibility of hydrogen as a clean energy solution for public transportation.

In addition to its environmental benefits, hydrogen also has the potential to enhance energy security and promote sustainable development. As a clean energy carrier, hydrogen can be used to store energy generated from renewable sources like solar and wind power, allowing for greater flexibility and reliability in the energy system. This could be particularly beneficial in India, where the government has set ambitious targets for renewable energy adoption. By leveraging hydrogen as a clean energy solution, India can reduce its dependence on fossil fuels, promote sustainable development, and contribute to a cleaner and healthier environment for future generations.

What are the Challenges in Hydrogen Production and Storage?

Hydrogen is the lightest and most abundant element in the universe, but turning it into a practical fuel is not as simple as it sounds. The real challenge lies in how we produce, store, and move hydrogen without wasting too much energy or risking safety. Think of it like carrying water in a bucket full of holes—every step leaks energy, costs money, and demands smart solutions. Producing hydrogen today mostly relies on natural gas through a process called steam methane reforming (SMR). While this method is efficient on paper, it still releases carbon dioxide, which defeats the purpose of clean energy. Even “green” hydrogen, made by splitting water with renewable electricity, faces hurdles: it needs vast amounts of clean power and efficient electrolysers. In India, Tata Steel has been piloting green hydrogen at its Jamshedpur plant to replace coal in steelmaking, but the project highlights the scale of investment and infrastructure required. Storing hydrogen is another puzzle. As a gas, it takes up too much space; as a liquid, it must be chilled to –253°C, guzzling energy. Even in high-pressure tanks, leakage and safety risks remain. The Indian Oil Corporation is testing hydrogen fuel cell buses in Delhi, proving that storage and transport are possible—but only with heavy-duty tanks and careful planning. Transporting hydrogen safely over long distances is costly and risky. Pipelines must resist embrittlement, and trucks carrying compressed hydrogen add logistical nightmares. Still, India’s National Hydrogen Mission is pushing to build a national hydrogen highway network by 2030, showing that with the right policies and innovation, these barriers can be overcome. The journey from lab to road is tough, but the destination—a cleaner, self-reliant energy future—is worth every challenge.

How Can Hydrogen be Used in Various Industries?

Hydrogen isn’t just a future fuel—it’s already powering industries where traditional energy sources struggle to cut emissions. The key is that hydrogen carries energy densely and cleanly: when burned or used in a fuel cell, it releases energy and leaves behind only water, not smoke or CO₂. For industries that guzzle coal or gas today, switching to hydrogen can slash their carbon footprint overnight.

Take steel, for example. Making one tonne of steel traditionally releases about 1.8 tonnes of CO₂. Tata Steel’s plant in Jamshedpur is now testing hydrogen as a replacement for coal in its blast furnaces. By injecting hydrogen, the company aims to cut emissions in half while still producing high-quality steel—proving that heavy industry can go green without shutting down production.

In aviation, Airbus is betting big on hydrogen-powered planes. The company plans to introduce zero-emission commercial aircraft by 2035, using liquid hydrogen as fuel. For short-haul flights within India—like Delhi to Lucknow—these planes could operate with minimal infrastructure changes, offering a direct path to cleaner skies over our cities.

Even shipping, a sector that moves 90% of global trade, is turning to hydrogen. Cochin Shipyard in Kerala is building India’s first hydrogen-powered ferry, set to launch in 2025. This vessel will run on hydrogen fuel cells, emitting only water vapor, and will ferry passengers along the scenic backwaters—showing how coastal communities can travel sustainably.

And in chemical production, fertilizers are a major CO₂ source. Gujarat Narmada Valley Fertilizers & Chemicals (GNFC) has already replaced natural gas with hydrogen in ammonia production, cutting emissions significantly. This isn’t just corporate greenwashing—it’s a practical step toward feeding India while protecting its farms and skies.

From steel to skies to seas, hydrogen is quietly rewiring India’s industrial future—one clean molecule at a time.

What is the Current State of the Global Hydrogen Economy?

The global hydrogen economy is gaining momentum as a promising solution for a low-carbon future. With the world's reliance on fossil fuels and the urgent need to reduce greenhouse gas emissions, hydrogen has emerged as a clean and efficient energy carrier. But what does this mean in practice, and how is India positioning itself in this rapidly evolving market?

To understand the current state of the global hydrogen economy, it's essential to consider its growth prospects. The International Energy Agency (IEA) estimates that hydrogen demand will increase by 75% by 2050, driven primarily by the power sector. This growth is expected to be fueled by government initiatives, technological advancements, and declining production costs. In India, the government has set ambitious targets to increase hydrogen production and use in various sectors, including energy, transportation, and industry.

Key players in the global hydrogen market include major oil and gas companies, renewable energy firms, and specialized hydrogen producers. Companies like Shell, ExxonMobil, and Total are investing heavily in hydrogen production and infrastructure development. In India, companies like Hindustan Petroleum Corporation Limited (HPCL) and Indian Oil Corporation Limited (IOCL) are also venturing into hydrogen production and distribution.

Government initiatives are playing a crucial role in promoting the adoption of hydrogen technology. In India, the National Hydrogen Mission aims to develop a hydrogen ecosystem that is competitive with other energy carriers. The mission includes targets for hydrogen production, import, and use in various sectors, as well as initiatives for research and development.

A concrete example of India's commitment to the hydrogen economy can be seen in the city of Pune, where the Indian Oil Corporation Limited (IOCL) has set up a 1,000-ton-per-day hydrogen production plant. This plant will supply hydrogen to the city's industries and transportation sector, reducing reliance on fossil fuels and lowering emissions. This project demonstrates India's potential to become a significant player in the global hydrogen market.

**The Indian government's vision for a hydrogen-based economy is ambitious, with targets for hydrogen production, import, and use in various sectors. As the global hydrogen market continues to evolve, India is well-positioned to capitalize on its strengths and become a leader in the clean energy sector.**

What are the Benefits and Drawbacks of a Hydrogen-Based Economy?

Imagine filling up your scooter and driving away knowing the only thing coming out of the tailpipe is water vapour. That future is why many see a hydrogen-based economy as a game-changer. At its core, hydrogen stores clean energy: when you burn it or run it through a fuel cell, the chemical reaction releases energy and leaves behind nothing more harmful than water. For a warming planet, this “zero-emission” property is the big why—it lets us keep moving, manufacturing and lighting homes without adding fresh carbon dioxide to the air.

But the journey from promise to pump is not without bumps. Producing hydrogen today is still expensive because most of it comes from natural gas in a process that itself emits carbon unless paired with carbon-capture technology. Building the entire supply chain—from electrolysers that split water into hydrogen and oxygen to pipelines, storage tanks and refuelling stations—requires massive upfront investment. India has already taken a practical step: in 2022 NTPC Ltd commissioned India’s first green-hydrogen fuel-cell bus in Leh, running on hydrogen made from solar power. The bus quietly ferries passengers up and down the high-altitude roads while emitting only water, proving the concept works even in harsh conditions. Yet even NTPC’s pilot shows the scale of the challenge: each bus needs a dedicated refuelling station, and the green hydrogen costs nearly three times as much as diesel today.

So, while a hydrogen-based economy can sharply cut greenhouse gas emissions by replacing fossil fuels in transport, industry and power generation, its success hinges on slashing production costs, scaling up renewable-powered electrolysis and rolling out nationwide infrastructure—exactly the hurdles India’s Leh experiment is helping engineers learn to clear.

How Can Individuals Contribute to a Hydrogen-Fueled Future?

As we strive towards a hydrogen-fueled future, it's essential to recognize the critical role individuals can play in promoting the adoption of this clean energy technology. By making conscious choices in our daily lives, we can significantly contribute to reducing our carbon footprint and supporting a sustainable energy ecosystem.

One of the most effective ways individuals can contribute is by reducing their energy consumption. This can be achieved through simple actions such as using energy-efficient appliances, turning off lights and electronics when not in use, and insulating homes to minimize heat loss. For instance, the Indian city of Pune has implemented a smart grid system that allows residents to monitor and manage their energy consumption in real-time, helping to reduce energy waste and promote sustainable living.

Another crucial aspect is supporting renewable energy sources. This can be done by investing in solar panels or renewable energy credits, which help to offset energy consumption from fossil fuels. Individuals can also advocate for climate policies that encourage the development and use of hydrogen technology. For example, the Indian government has set ambitious targets to increase the use of hydrogen in transportation and industry, and individuals can support these efforts by contacting their local representatives and expressing their concerns.

By working together, we can create a hydrogen-fueled future that is not only cleaner but also more sustainable. Individuals have the power to drive change by making conscious choices about their energy consumption and supporting policies that promote the adoption of hydrogen technology.

Here are some ways individuals can make a difference:

• Use energy-efficient appliances and turn off lights and electronics when not in use
• Invest in solar panels or renewable energy credits
• Advocate for climate policies that support the development and use of hydrogen technology
• Support companies that are investing in hydrogen technology, such as Tata Motors' hydrogen fuel cell electric vehicles

What are the Future Directions and Innovations in Hydrogen Technology?

Hydrogen is not just another fuel; it’s a silent revolution waiting to happen in our daily lives. Imagine driving past Delhi’s busy streets in a bus that leaves behind nothing but water vapour, or powering a village in Rajasthan with electricity generated from sunlight and water. This is the promise of tomorrow’s hydrogen technologies—clean, quiet, and endless. The future of hydrogen lies in making it not only green but also practical, affordable, and deeply woven into India’s energy fabric.

One of the most exciting frontiers is green hydrogen production, where electricity from renewable sources like solar or wind splits water into hydrogen and oxygen. Today, most hydrogen comes from natural gas, which emits carbon. But innovations—especially in high-efficiency electrolysers—are making it possible to produce hydrogen using only sunshine and water. For example, the National Thermal Power Corporation (NTPC) recently launched India’s first green hydrogen fueling station in Leh, powered entirely by solar energy. This isn’t just a pilot; it’s a model for remote, high-altitude regions where diesel generators once ruled.

Storage and transport remain challenges, but breakthroughs in liquid organic hydrogen carriers (LOHCs) and metal hydrides are changing the game. These technologies allow hydrogen to be stored safely and moved without high-pressure tanks, making it viable for long-distance transport and urban use. Meanwhile, in Karnataka, the ReNew Power company is testing hydrogen blending in natural gas pipelines—an early step toward a nationwide clean gas network.

The real magic happens in utilisation. From hydrogen-powered trucks on Mumbai’s port roads to fuel cells lighting up off-grid homes in Uttarakhand, the applications are multiplying. The key is not just building better technology, but building it with communities—making sure farmers, drivers, and small businesses become part of the clean energy transition.

Key takeaways

• Hydrogen is the most abundant element in the universe and has emerged as a game-changer in the transition to clean energy.
• Hydrogen can be produced by splitting water into hydrogen and oxygen or by separating it from methane.
• The most common method of producing hydrogen is steam methane reforming, but a greener route is electrolysis using electricity from solar or wind power.
• Hydrogen is considered a clean energy solution because it has the potential to decarbonize hard-to-reach sectors such as transportation, industry, and power generation.
• Hydrogen has zero-carbon emissions when used as a fuel, producing only water vapor and heat as byproducts.
• India's National Hydrogen Mission aims to scale up electrolysis to produce hydrogen fuel for trucks, trains, and city buses.

Test yourself

What is the most abundant element in the universe that can be used as a clean energy source?

Hydrogen

How is hydrogen typically produced?

By splitting water into hydrogen and oxygen or by separating it from methane

What is the most common method of producing hydrogen today?

Steam methane reforming

Why is hydrogen considered a clean energy solution?

Because it has the potential to decarbonize hard-to-reach sectors and has zero-carbon emissions when used as a fuel

What is India's National Hydrogen Mission aiming to achieve?

To scale up electrolysis to produce hydrogen fuel for trucks, trains, and city buses

What are the byproducts of using hydrogen as a fuel?

Water vapor and heat