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Fuel of the future

Updated: Jul 25, 2023

Fuel of the future

Fuel of the future
Fuel of the future

In the relentless pursuit of sustainable energy solutions, hydrogen has emerged as the definitive "Fuel of the Future." With multiple production routes, each yielding distinct types of hydrogen, such as black, grey, blue, green, pink, purple, and turquoise, the quest for decarbonization and energy efficiency gains new impetus. In this technical analysis, we delve deep into the intricacies of each hydrogen type, examining their production processes, environmental impact, and potential applications.

Types of hydrogen-:

Fuel of the future
Fuel of the future

According to a report by Teri, the current demand for hydrogen is around 6 tonnes and is expected to increase five-fold by 2050. Green hydrogen, the fuel of the future is projected to become competitive with fossil fuel-derived hydrogen by 2030. Hydrogen is a colorless gas, but it can be produced in different ways, resulting in different types such as black, grey, blue, turquoise, and pink/purple hydrogen. Black and grey hydrogen are produced by gasifying natural gas through steam methane reforming or auto thermal reforming and have high greenhouse gas emissions. Blue hydrogen has moderate emissions as carbon dioxide is captured by a carbon capture unit, but it is expensive to produce. Green hydrogen is produced through electrolysis using renewable energy sources such as solar or wind.

Types of hydrogen-:

Fuel of the future
Fuel of the future

Black Hydrogen: Unveiling the Carbon-Intensive Pathway

As a product of coal gasification, black hydrogen offers a low-cost production route. However, its environmental footprint looms large. The presence of impurities in feedstock undermines system efficiency, while greenhouse gas emissions and soot particles pose significant concerns for a polluted environment.

Grey Hydrogen: Navigating the Reforming Terrain

Fuel of the Future - Hydrogen takes us to grey hydrogen, derived from natural gas via steam methane reforming (Steam Reforming Method) or auto-thermal reforming (Auto Thermal Reforming). It presents a middle ground between black and blue hydrogen. Despite reduced emissions compared to black hydrogen, the capital cost of grey hydrogen production remains a major challenge. Optimal catalyst utilization, enhancing catalyst surface area, holds promise for improving production efficiency.

Blue Hydrogen: The Transitionary Bridge

Fuel of the Future - Hydrogen leads us to the innovative blue hydrogen production method, which combines natural gas reforming with carbon capture and storage (Carbon Capture and Storage) technology. By capturing and sequestering carbon dioxide (CO2) during steam methane reforming or auto-thermal reforming, blue hydrogen mitigates emissions and paves the way for a greener transition.

Green Hydrogen: The Clean and Renewable Paradigm

Fuel of the Future - Hydrogen showcases the remarkable green hydrogen, derived from the electrolysis of water powered by renewable energy sources such as solar or wind. Not only is this type devoid of impurities, but it also boasts zero greenhouse gas emissions, making it a beacon of hope for achieving a carbon-neutral future. The surplus oxygen produced during electrolysis further enhances its industrial applications.

Pink Hydrogen: The Nuclear Connection

In the journey towards cleaner energy production, Fuel of the Future - Hydrogen introduces us to pink hydrogen, a product of water electrolysis supplied with energy from nuclear sources. Its minimal greenhouse gas emissions make it an intriguing prospect in our sustainable future.

Purple Hydrogen: Fusing Nuclear and Electrolysis Technologies

With its unique fusion of nuclear and electrolysis technologies, Fuel of the Future - Hydrogen presents purple hydrogen, holding immense promise. The combination of nuclear energy for electricity generation, subsequently used in electrolysis for hydrogen production, could revolutionize the energy landscape.

Turquoise Hydrogen: Embracing Methane Pyrolysis

In a novel approach, Fuel of the Future - Hydrogen ushers in turquoise hydrogen, emerging from the pyrolysis of methane, yielding both hydrogen and solid carbon. The energy for this process is derived from renewable sources, underscoring the potential of carbon capture and storage.

Fuel of the future
Fuel of the future

Hydrogen: The Fuel of the Future encompasses two pivotal types - blue hydrogen and green hydrogen - distinguished by their production methods and environmental impact.

Blue Hydrogen: A crucial transitionary stage, derived from fossil fuels, particularly natural gas, with Carbon Capture and Storage (CCS) technology. It involves capturing CO2 emissions from steam methane reforming (SMR) and storing them underground, reducing CO2 emissions and paving the way for cleaner energy solutions. However, it remains dependent on fossil fuels.

Green Hydrogen: The ultimate goal, sourced from renewable resources like water through electrolysis. It is a clean and renewable energy solution, producing no CO2 emissions during its production, making it truly eco-friendly and carbon-neutral.

Both blue and green hydrogen find versatile applications across various sectors, from transportation to power generation and industrial processes, with green hydrogen considered more environmentally friendly due to its lack of greenhouse gas emissions.

Fuel of the future
Fuel of the future

Comparison of Blue hydrogen vs Green hydrogen, production worldwide by the year 2050.


As the world pivots towards a sustainable future, Fuel of the Future - Hydrogen stands as a linchpin in the decarbonization of our energy systems. The plethora of hydrogen types, each with its unique production process and environmental impact, provides a comprehensive toolkit to address the growing concerns of climate change and energy sustainability.

Fuel of the Future - Hydrogen epitomizes this phrase like no other. From black and grey hydrogen, which charted our early forays into hydrogen production, to the blue hydrogen bridging the gap towards renewables, and the pristine green hydrogen powered by nature's cleanest resources, each type has its place in this grand energy transformation.

The harmonious interplay of technology, innovation, and environmental consciousness shall guide us on this transformative journey. As we navigate the complexities of each hydrogen type, we inch closer to a future fueled by the abundant promise of hydrogen - an energy source that can lead us into a new era of sustainability and prosperity. The horizon beckons, and Fuel of the Future - Hydrogen, in all its diverse forms, holds the key to unlocking a cleaner, greener, and more promising tomorrow.


Which fuel is a future fuel for mankind?

  • Hydrogen is considered the fuel of the future for mankind, offering the potential for clean and sustainable energy solutions.

What is the best future fuel?

  • The best future fuel is debatable and depends on various factors such as geographical location, technological advancements, and sustainability goals. Hydrogen, electric power, and biofuels are some of the leading contenders for a cleaner energy future.

Which is future fuel for India?

  • In India, hydrogen and renewable energy sources like solar and wind power are being explored as future fuels to achieve energy sustainability and reduce carbon emissions.

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