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We’re running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere… can handle before there is an environmental catastrophe.

Last month we launched our Carbon Credit AI, and invited you to submit your questions. Now that this service has been running for a few weeks, it’s becoming increasingly evident that one of the questions you’re most curious about is who issues carbon credits and how, so we decided to write this blog post and give some insights. Hopefully you’ll find this insightful…

 

What is a Carbon Credit?

Climate change is one of the greatest challenges facing our planet today. The burning of fossil fuels and other human activities have led to an increase in greenhouse gas emissions, which in turn has caused global temperatures to rise. This has resulted in more frequent and severe weather events, rising sea levels, and other detrimental effects on the environment.

Carbon credits represent a unit of measurement for greenhouse gas emissions reductions or removals. Carbon credits enable entities to offset their own emissions by investing in ventures that reduce or remove greenhouse gasses from the atmosphere. This not only helps to reduce overall emissions but also promotes sustainable development and the transition to a low-carbon economy.

Carbon credits support climate change mitigation by providing a financial framework of incentives that governs how companies and organizations match their climate change commitments and reduce their emissions.

When a company or organization reduces its emissions below a certain threshold, it can earn carbon credits. These credits can then be sold or traded on carbon markets.

 

Understanding the Carbon Market

The carbon market is a system that enables the buying and selling of carbon credits. It operates on the principle of supply and demand, with some companies and organizations seeking to buy carbon credits to offset their emissions, while others seek to sell their excess credits. The carbon market can be divided into two main types:

  1. Compliance markets
  2. Voluntary markets.

Trading mechanisms in these carbon markets vary depending on the type of market and the specific rules and regulations in place:

Carbon Credit Compliance Markets

Compliance markets are established by governments and are mandatory for certain industries or sectors. These markets use carbon credits as a means of compliance to ensure that companies meet mandatory targets. Carbon credits in these markets are typically allocated or auctioned off by governments, and companies can buy or sell these credits on a secondary market.

Examples of compliance markets are:

 

Carbon Credit Voluntary Markets

Voluntary markets are not regulated by governments and are driven by companies and individuals who voluntarily choose to offset their emissions. Carbon credits for these markets are often generated through projects that reduce or remove greenhouse gasses, and these credits can be bought directly from project developers or through specialized platforms. These markets provide an opportunity for companies to take responsibility for their carbon footprint and demonstrate their commitment to sustainability.

Examples of voluntary markets are:

 

How are Carbon Credits Issued?

Carbon credits can be issued for projects that can be proven to reduce carbon emissions or absorb carbon from the environment. These may include, but are not limited to:

  • Renewable energy initiatives.
  • Energy efficiency programs.
  • Afforestation & reforestation projects.
  • Waste management schemes.

These projects not only help to reduce emissions but also contribute to sustainable development and job creation. By issuing carbon credits for these projects, governments, international organizations and private enterprises can support their implementation and ensure they are financially viable. Let’s take a closer look at how each of the above projects are leveraged to create carbon credits:

 

Issuing Carbon Credits from Wind Farms

By generating clean, renewable energy, wind farms help to reduce the demand for fossil fuels and the associated greenhouse gas emissions. The emission reductions achieved by the wind farm can be quantified and converted into carbon credits, which can then be sold on the carbon market. Carbon Credit Capital offers such credits from our renewable energy partners in India.

 

Issuing Carbon Credits from Afforestation

These projects help to absorb carbon dioxide from the atmosphere and store it in biomass by planting trees. The amount of carbon dioxide absorbed by the trees can be quantified and converted into carbon credits. These credits can then be sold to companies or individuals looking to offset their emissions.

Carbon Credit Capital offers such credits from our forest conservation in Mongolia.

 

Issuing Carbon Credits from Waste Management

Waste management schemes create carbon credits by implementing methods to reduce carbon dioxide and methane emissions associated with waste, typically through activities such as food rescue, plastic recycling, and landfill gas management. Public and private waste management organizations can generate carbon credits that can be traded in carbon markets. This not only helps in environmental conservation but also provides economic benefits through the sale of these credits.

 

Carbon Offset Projects’ Auxiliary and Ancillary Benefits

Carbon offset projects provide multiple benefits beyond emission reductions. They often contribute to sustainable development, create jobs, and support local communities. For example, a renewable energy project can provide clean electricity to remote areas that previously relied on fossil fuels. A reforestation project can create employment opportunities for local communities and protect biodiversity.

By issuing carbon credits for these projects, the carbon market provides a financial incentive for their implementation. This helps to attract investment and support the growth of sustainable practices. Carbon offset projects also contribute to the transition to a low-carbon economy by promoting renewable energy, sustainable agriculture, and other climate-friendly activities.

 

How are Carbon Credits Certified?

The certification process is an essential step in issuing carbon credits and ensuring their credibility and integrity. Certification bodies are responsible for verifying that emission reduction projects meet specific criteria and standards before issuing carbon credits. This process involves a thorough assessment of the project’s methodology, monitoring systems, and emission reduction calculations.

The certification process begins with project developers submitting a project design document (PDD) to the certification body. The PDD outlines the project’s objectives, methodologies, and expected emission reductions. The certification body reviews the PDD and conducts an initial assessment to determine if the project meets the necessary requirements.

If the project is deemed eligible, it moves on to the validation stage. During validation, the certification body conducts an on-site visit to verify that the project is being implemented according to the approved methodology. This includes reviewing monitoring systems, data collection methods, and emission reduction calculations.

Once validation is complete, the certification body issues a validation report and registers the project with a unique identification number. The project can then begin generating carbon credits based on its verified emission reductions. These credits are typically issued in the form of tradable certificates, which can be bought and sold on the carbon market.

Examples of certification bodies include the aforementioned VCS and Gold Standard, as well as the Climate Action Reserve. These organizations have established rigorous standards and guidelines for carbon credit projects and provide independent verification and certification services. By certifying carbon credits, they ensure projects meet the necessary criteria and contribute to real emission reductions.

 

Carbon Credits Verification

Verification is another crucial step in issuing carbon credits and ensuring their credibility and integrity. Verification bodies such as Det Norske Veritas (DNV), SGS, and TÜV SÜD, have extensive experience in verifying emission reduction projects and ensuring compliance with international standards. By providing independent verification services, they help to build trust in the carbon market and ensure the integrity of carbon credits.

 

Carbon Credits Verification process

  1. Verification begins with project developers submitting a verification report including detailed information on the project’s emission reduction calculations, monitoring systems, and data collection methods to the verification body.
  2. The verification body then reviews the report and conducts an independent assessment to determine if the project meets the necessary requirements.
  3. Verification bodies may request additional information or conduct on-site visits to verify a project’s data’s accuracy. This includes reviewing monitoring equipment, data collection procedures, and emission reduction calculations. The verification body also checks for any potential errors or inconsistencies in the project’s documentation.
  4. Once the assessment is complete, the verification body issues a verification statement that confirms the accuracy of the project’s emission reduction calculations. This statement is then used by the certification body to issue carbon credits for the project. The verification body may also provide recommendations for improving monitoring systems or data collection methods to ensure ongoing compliance with standards.

 

Carbon Credits – Government’s Role

Governments play a crucial role in issuing carbon credits and driving emission reductions. They establish policies and regulations that set emission reduction targets for industries and sectors, and they oversee the allocation and trading of carbon credits. Government agencies are responsible for issuing and monitoring carbon credits, ensuring that they are valid and meet the necessary criteria.

Government policies on carbon credits vary from country to country, but they generally aim to incentivize emission reductions and promote sustainable practices. These policies can include cap-and-trade systems, carbon taxes, renewable energy incentives, and other measures that encourage companies to reduce their emissions. By issuing carbon credits, governments provide a tangible incentive for companies to invest in emission reduction projects.

Government agencies responsible for issuing carbon credits also vary depending on the country. In some cases, it may be a dedicated agency or department within the government that is responsible for overseeing the carbon market. In other cases, it may be a regulatory body or an environmental agency that is tasked with monitoring emissions and issuing carbon credits.

 

Carbon Credits – International Organizations’ Role

International organizations play a significant role in issuing carbon credits and reducing emissions on a global scale. These organizations work to establish standards and guidelines for carbon credit projects, provide technical assistance to project developers, and facilitate the trading of carbon credits.

One example of an international organization involved in carbon credits is the United Nations Framework Convention on Climate Change (UNFCCC), which oversees the Clean Development Mechanism (CDM), which allows developing countries to earn carbon credits by implementing emission reduction projects. The CDM has been instrumental in promoting sustainable development and technology transfer in developing countries.

Another example is the International Civil Aviation Organization’s Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA), which aims to offset the growth in international aviation emissions by requiring airlines to purchase carbon credits from approved projects. This initiative is expected to play a significant role in reducing emissions from the aviation sector.

Another important activity by international organizations is the funding and support for carbon credit projects. For example, the World Bank’s Forest Carbon Partnership Facility (FCPF) provides financial incentives for countries to reduce emissions from deforestation and forest degradation. By issuing carbon credits for these projects, international organizations can help to mobilize private sector investment and promote sustainable development.

 

Carbon Credits – Private Enterprises’ Role

As mentioned earlier, private entities and companies are key players in the carbon market, both as buyers and sellers of carbon credits.

 

Private Enterprise Carbon Credit Buyers

Many companies choose to meet compliance requirements, sustainability goals, or corporate social responsibility commitments by electing to offset their emissions through the purchase of carbon credits from projects that reduce or remove greenhouse gasses.

 

Private Enterprise Carbon Credit Sellers

There are also private companies that specialize in issuing carbon credits. The financial model on which these companies operate involves the development and implementation of emission reduction projects similar to the ones listed above through which they earn carbon credits for the attributable emissions reductions. These credits are then sold at a profit on carbon markets.

Examples of private companies issuing carbon credits may include:

  • Renewable energy developers.
  • Waste management companies.
  • Forestry organizations.

Not only do these companies prove the financial incentive for others to make similar investments, and contribute to the transition to a low-carbon economy, but they also play a crucial role in promoting sustainable practices and educating for emission reductions.

 

Private Enterprises’ Role in Education

An important aspect of private companies’ involvement with carbon credits is the promotion of carbon credit projects through marketing and communication efforts – Often companies choose to highlight their carbon offset initiatives for branding purposes, as part of their sustainability strategies, or their corporate social responsibility efforts. These activities help raise awareness and encourage others to follow suit. By showcasing the benefits of carbon credits, private companies can inspire others to join the fight against climate change.

 

Conclusion

Carbon credits are a crucial tool in mitigating climate change and promoting sustainable development. They provide a financial incentive for companies and organizations to reduce their emissions and invest in emission reduction projects. Governments, international organizations, and private companies all play a role in the issuance, certification and validation of carbon credits and thereby driving emission reductions. Certification and verification processes ensure the credibility and integrity of carbon credits, while transparency promotes trust in the carbon market. The future of carbon credits holds great potential for achieving global climate goals and transitioning to a low-carbon economy.

If you’re interested in learning more about carbon credits and their impact on the environment, feel free to reach out to us – We’re always happy to help!

Carbon Footprint

Global EV Sales Set to Hit 50% by 2030 Amid Oil Shock While CATL Leads Batteries

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The global electric vehicle (EV) market is gaining speed again. A sharp rise in oil prices, triggered by the recent U.S.–Iran conflict in early 2026, has changed how consumers think about fuel and mobility. What looked like a slow market just months ago is now showing strong signs of recovery.

According to SNE Research’s latest report, this sudden shift in energy markets is pushing EV adoption faster than expected. Rising gasoline costs and uncertainty about future oil supply are driving buyers toward electric cars. As a result, the EV transition is no longer gradual—it is accelerating.

Oil Price Shock Changes Consumer Behavior

The conflict in the Middle East sent oil markets into turmoil. Gasoline prices jumped quickly, rising from around 1,600–1,700 KRW per liter to as high as 2,200 KRW. This sudden spike acted as a wake-up call for many drivers.

Consumers who once hesitated to switch to EVs are now rethinking their choices. High and unstable fuel prices have made traditional gasoline vehicles less attractive. At the same time, EVs now look more cost-effective and reliable over the long term.

SNE Research noted that even if oil prices stabilize later, the fear of future spikes will remain. This uncertainty is a key driver behind early EV adoption. People no longer want to depend on volatile fuel markets.

EV Growth Forecasts Get a Major Boost

SNE Research has revised its global EV outlook. The firm now expects faster adoption across the decade.

  • EV market penetration is projected to reach 29% in 2026, up from an earlier estimate of 27%.
  • By 2027, the share could jump to 35%, instead of the previously expected 30%.
  • Most importantly, EVs are now expected to cross 50% of new car sales by 2030, earlier than prior forecasts.

The research firm also highlighted a clear timeline shift. EV demand has moved forward by half a year in 2026. By 2027, this lead increases to one full year. From 2028 onward, adoption is expected to accelerate by more than two years. This shows that the global EV transition is happening much faster than industry players had originally planned.

EV growth

Higher Fuel Costs Improve EV Economics

One of the biggest drivers behind this shift is simple: EVs are becoming cheaper to own compared to gasoline cars.

SNE Research compared two popular models—the gasoline-powered Kia Sportage 1.6T and the electric Kia EV5. The results highlight how rising fuel prices change the equation.

At a gasoline price of 1,600 KRW per liter, it takes about two years to recover the higher upfront cost of an EV. However, when fuel prices rise to 2,000 KRW per liter, the payback period drops to just one year and two months.

ev sales

So, over a longer period, the savings are even clearer:

  • Total 10-year cost of a gasoline car: 59–65 million KRW
  • Total 10-year cost of an EV: around 44 million KRW

This large gap makes EVs a smarter financial choice, especially when fuel prices remain high.

Battery Shake-Up: Market Struggles While CATL Surges Ahead

While EV demand is improving, the battery industry is seeing mixed results.

In the first two months of 2026, global EV battery usage reached 134.9 GWh, a modest increase of 4.4% year-over-year. However, not all companies are benefiting equally.

South Korean battery makers—LG Energy Solution, SK On, and Samsung SDI—saw their combined market share fall to 15%, down by 2.2 percentage points. Each company reported declining growth:

  • LG Energy Solution: down 2.7%
  • SK On: down 12.9%
  • Samsung SDI: down 21.9%

This drop was mainly due to weaker EV sales in the U.S. market earlier in the year.

  • In contrast, Chinese battery giant CATL continued to expand its lead. Its market share grew from 38.7% to 42.1%, strengthening its global dominance.

SNE Research explained that future competition will depend less on overall EV growth and more on supply chain strategy. Companies that diversify across customers and regions will be in a stronger position.

catl battery

Automakers Feel the Impact Across Markets

Battery demand also reflects trends in automaker performance. Samsung SDI, for example, supplies batteries to brands like BMW, Audi, and Rivian. However, slower EV sales across these companies reduced overall battery demand.

Some key factors include:

  • Lower sales of BMW’s electric lineup, including models like the i4 and iX
  • Weak demand for Audi EVs despite new launches
  • Declining sales from North America-focused brands like Rivian and Jeep

In some cases, new models even reduced demand for older ones. For instance, Audi’s Q6 e-tron impacted sales of the Q8 e-tron, lowering overall battery usage.

ev sales

A Structural Shift in the EV Market

Despite short-term fluctuations, SNE Research believes the EV market is entering a new phase. The current surge is not just a reaction to oil prices—it reflects a deeper shift in consumer mindset.

People now see EVs as a safer and more stable option. Energy security, cost savings, and environmental concerns are all playing a role.

As SNE Research’s Vice President Ik-hwan James Oh explained, even if oil prices fall, the memory of sudden spikes will remain. This lasting concern will continue to push EV adoption.

In conclusion, the events of early 2026 have shown how quickly market dynamics can change. A single geopolitical shock has reshaped the global auto industry outlook.

For automakers, the message is clear: EV demand can rise faster than expected. For battery companies, the focus must shift to global expansion and supply chain resilience. For consumers, the decision is becoming easier as EVs offer both savings and stability.

The global EV market is no longer just growing—it is accelerating. And if current trends continue, the shift to electric mobility could arrive much sooner than anyone expected.

The post Global EV Sales Set to Hit 50% by 2030 Amid Oil Shock While CATL Leads Batteries appeared first on Carbon Credits.

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AI Data Centers Power Crisis: Massive Energy Demand Threatens Emissions Targets and Latest Delays Signal Market Shift

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AI Data Centers Power Crisis: Massive Energy Demand Threatens Emissions Targets and Latest Delays Signal Market Shift

The rapid growth of artificial intelligence (AI) is creating a new challenge for global energy systems. AI data centers now require far more electricity than traditional computing facilities. This surge in demand is putting pressure on power grids and raising concerns about whether climate targets can still be met.

Large AI data centers typically need 100 to 300 megawatts (MW) of continuous power. In contrast, conventional data centers use around 10-50 MW. This makes AI facilities up to 10x more energy-intensive, depending on the scale and workload.

AI Data Centers Are Driving a Sharp Rise in Power Demand

The increase is happening quickly. The International Energy Agency estimates that global data center electricity use reached about 415 terawatt-hours (TWh) in 2024. That number could rise to more than 1,000 TWh by 2026, largely driven by AI applications such as machine learning, cloud computing, and generative models. global electricity demand by sector 2030 IEA

At that level, data centers would consume as much electricity as an entire mid-sized country like Japan

In the United States, the impact is also growing. Data centers could account for 6% to 8% of total electricity demand by 2030, based on utility projections and grid operator estimates. AI is expected to drive most of that increase as companies continue to scale infrastructure to support new applications.

Training large AI models is especially energy-intensive. Some estimates say an advanced model can use millions of kilowatt-hours (kWh) just for training. For instance, training GPT-3 needs roughly 1.287 million kWh, and Google’s PaLM at about 3.4 million kWh. Analytical estimates suggest training newer models like GPT-4 may require between 50 million and over 100 million kWh.

That is equal to the annual electricity use of hundreds of households. When combined with ongoing usage, known as inference, total energy consumption rises even further.

ChatGPT vs Claude AI energy and carbon use

This rapid growth is creating a gap between electricity demand and available supply. It is also raising questions about how the technology sector can expand while staying aligned with global climate goals.

The Grid Bottleneck: Why Data Centers Are Waiting Years for Power

Power demand from AI is rising faster than grid infrastructure can support. Utilities in key regions are now facing a surge in interconnection requests from technology companies building new data centers.

This has led to delays in several major projects. In many cases, developers must wait years before they can secure enough electricity to operate. These delays are becoming more common in established tech hubs where grid capacity is already stretched.

The main constraints include:

  • Limited transmission capacity in high-demand areas, 
  • Slow grid upgrades and long permitting timelines, and
  • Regulatory systems not designed for AI-scale demand.

Grid stability is another concern. AI data centers require constant and uninterrupted power. Even short disruptions can affect performance and reliability. This makes it more difficult for utilities to balance supply and demand, especially during peak periods.

In some regions, utilities are struggling to manage the size and concentration of new loads. A single large data center can use as much electricity as a small city. When several projects are planned in the same area, the pressure on local infrastructure increases significantly.

As a result, some companies are rethinking their expansion strategies. Projects may be delayed, scaled down, or moved to new locations where energy is more accessible. These shifts could slow the pace of AI deployment, at least in the short term.

Renewable Energy Growth Faces a Reality Check

Technology companies have made strong commitments to clean energy. Many aim to power their operations with 100% renewable electricity. This is part of their larger environmental, social, and governance (ESG) goals.

For example, Microsoft plans to become carbon negative by 2030, meaning it will remove more carbon than it emits. Google is targeting 24/7 carbon-free energy by 2030, which goes beyond annual matching to ensure clean power is used at all times. Amazon has committed to reaching net-zero carbon emissions by 2040 under its Climate Pledge.

Despite these targets, AI data centers present a difficult challenge. They need reliable electricity around the clock, while renewable energy sources such as wind and solar are not always available. Output can vary depending on weather conditions and time of day.

To maintain stable operations, many facilities rely on a mix of energy sources. This often includes grid electricity, which may still be partly generated from fossil fuels. In some cases, natural gas backup systems are used more frequently than planned.

Battery storage can help balance supply and demand. However, long-duration storage remains expensive and is not yet widely deployed at the scale needed for large AI facilities. This creates both technical and financial barriers.

Thus, there is a growing gap between corporate clean energy goals and real-world energy use. Closing that gap will require faster deployment of renewable energy, improved storage solutions, and more flexible grid systems.

Carbon Credits Use Surge as Tech Tries to Close the Emissions Gap

The mismatch between AI growth and clean energy supply is also affecting carbon markets. Many technology companies are increasing their use of carbon credits to offset emissions linked to data center operations.

According to the World Bank’s State and Trends of Carbon Pricing 2025, carbon pricing now covers over 28% of global emissions. But carbon prices vary widely—from under $10 per ton in some systems to over $100 per ton in stricter markets. This gap is pushing companies toward voluntary carbon markets.

GHG emissions covered by carbon pricing
Source:

The Ecosystem Marketplace report shows rising demand for high-quality credits, especially carbon removal rather than avoidance credits. But supply is still limited.

Costs are especially high for engineered removals. The IEA estimates that direct air capture (DAC) costs today range from about $600 to over $1,000 per ton of CO₂. It may fall to $100–$300 per ton in the future, but supply is still very small.

Companies are focusing on credits that:

  • Deliver verified emissions reductions,
  • Support long-term carbon removal, and
  • Align with ESG and net-zero commitments.

At the same time, many firms are taking a more active role in energy development. Instead of relying only on offsets, they are investing directly in renewable energy projects. This includes funding new solar and wind farms, as well as entering long-term power purchase agreements.

These investments help secure a dedicated clean energy supply. They also reduce long-term exposure to carbon markets, which can be volatile and subject to changing standards.

Companies Are Adapting Their Energy Strategies: The New AI Energy Playbook

AI companies are changing how they design and operate data centers to manage rising energy demand. Here are some of the key strategies:

  • Energy efficiency improvements (new hardware and cooling systems) that reduce data center power use.
  • More efficient AI chips, specialized processors, that drive performance gains.
  • Advanced cooling systems that cut energy waste and can help cut total power use per workload by 20% to 40%.
  • Data center location strategy is shifting, where facilities are built in regions with stronger renewable energy access.
  • Infrastructure is becoming more distributed, where firms deploy smaller data centers across multiple locations to balance demand and improve resilience.
  • Long-term renewable energy contracts are expanding, which helps companies secure power at stable prices.

A Turning Point for Energy and Climate Goals

The rise of AI is creating both risks and opportunities for the global energy transition. In the short term, increased electricity demand could lead to higher emissions if fossil fuels are used to fill supply gaps.

At the same time, AI is driving major investment in clean energy and infrastructure. The long-term outcome will depend on how quickly clean energy systems can scale.

If renewable supply, storage, and grid capacity keep pace with AI growth, the technology sector could help accelerate the shift to a low-carbon economy. If progress is too slow, however, AI could become a major new source of emissions.

Either way, AI is now a central force shaping global energy demand, infrastructure investment, and the future of carbon markets.

The post AI Data Centers Power Crisis: Massive Energy Demand Threatens Emissions Targets and Latest Delays Signal Market Shift appeared first on Carbon Credits.

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Japan Unveils First Hydrogen Engine for Large Ships

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Japan Unveils First Hydrogen Engine for Large Ships

Japan has taken a major step in clean shipping. A consortium led by Japan Engine Corporation and Kawasaki Heavy Industries has successfully tested the world’s first hydrogen-fueled main engine for a large commercial vessel.

This engine is designed for deep-sea cargo ships, not just small vessels. That makes it a key milestone. Most earlier hydrogen ship projects focused on ferries or short routes.

The 3% Problem: Shipping’s Emissions Challenge

The engine is a low-speed, two-stroke design. This is the standard for large ocean-going ships. It can run mainly on hydrogen fuel. In tests, it achieved about 95% hydrogen use at full load, showing stable performance.

The engine will be installed on a 17,500-deadweight-ton multipurpose vessel. The ship is expected to be delivered in 2027. It will then undergo a three-year demonstration period starting in 2028.

Shipping is a major source of global emissions. The sector produces about 2–3% of global greenhouse gas emissions, based on data from the International Maritime Organization (IMO).

shipping sector annual emissions projection to 2050
Source: Sabarish, B. & Sathishkumar, Anbalagan & M, Cheralathan. (2025). Enhancing Marine HVAC Efficiency Through Free Cooling and Thermal Energy Storage… International Journal of Thermophysics. 46. 10.1007/s10765-025-03646-x.

Most ships today use heavy fuel oil or marine diesel. These fuels produce high emissions. As global trade grows, shipping emissions could increase without new solutions.

Hydrogen is one option. When used as a fuel, it produces no carbon dioxide at the point of use. This makes it attractive for long-term decarbonization.

However, scaling hydrogen for large ships has been difficult. Key challenges include fuel storage, engine design, and safety. Japan’s latest engine test shows that progress is being made.

How Hydrogen Engines Work in Large Vessels

Hydrogen-powered ships can use fuel cells or combustion engines. Japan’s new system uses combustion. This means hydrogen burns inside the engine, similar to diesel. This approach allows easier integration with existing ship systems. It also reduces the need for full redesigns of vessels.

The engine uses liquid hydrogen fuel and advanced injection systems. Engineers have focused on stable combustion and material strength. Hydrogen burns faster than traditional fuels, so precision is critical.

The project includes partners such as Mitsui O.S.K. Lines (MOL), Onomichi Dockyard, and ClassNK. These groups support design, safety checks, and future operations.

The move is part of Japan’s Green Innovation Fund. The Ministry of Economy, Trade, and Industry has funded the program with about 2 trillion yen to help the country reach carbon neutrality by 2050.

Japan’s Net Zero Strategy and Hydrogen Push

This hydrogen engine project fits into Japan’s broader climate strategy. The country has pledged to reach net-zero greenhouse gas emissions by 2050. This goal was announced by former Prime Minister Yoshihide Suga in 2020.

Japan carbon neutrality 2050 energy outlook
Source: Bloomberg

Japan sees hydrogen as a key part of its energy transition. Under its Basic Hydrogen Strategy, the government aims to expand hydrogen use across power, transport, and industry.

Japan plans to increase its hydrogen supply to 20 million tonnes per year by 2050, up from much lower current levels. The country is also investing in hydrogen imports, storage, and infrastructure.

Shipping plays a major role in this plan. Japan depends heavily on imports of energy and raw materials. Decarbonizing shipping is important for both climate and energy security.

Projects like the hydrogen engine help link domestic policy with global action. They support Japan’s goal to build a full hydrogen value chain, from production to transport and end use.

Japan hydrogen domestic landscape
Japan’s domestic hydrogen geographic landscape, including hydrogen clusters, infrastructure, production plants, potential import ports, and refilling stations. Source: Hydrogen 2025, 6(3), 61; https://doi.org/10.3390/hydrogen6030061

Current Hydrogen Ferries in Operation

Japan has already started using hydrogen-powered ferries on real routes. One example is the Hanaria. This hybrid ship uses hydrogen fuel cells, lithium-ion batteries, and biodiesel. It began service in Kitakyushu in April 2024.

The ship can cut carbon dioxide emissions by 53% to 100% compared to regular vessels. It was built for a unit of Mitsui O.S.K. Lines and uses fuel cell technology developed with parts from Toyota.

Another example is the Mahoroba, built by Iwatani Corporation. This is a zero-emission hydrogen catamaran that can carry up to 150 passengers. It started commercial service in April 2025, transporting visitors to the Osaka-Kansai Expo.

In October 2025, the Tokyo Metropolitan Government agreed to bring the vessel to Tokyo Bay. It is expected to start operating there in fiscal year 2026. It will support environmental education and international events.

Japan has also invested in hydrogen transport systems. One example is the Suiso Frontier, which was launched to carry liquefied hydrogen across long distances. These efforts show that Japan is not only testing technology but also building the systems needed to scale hydrogen use globally.

From Ferries to Freighters: Scaling Hydrogen at Sea

Japan is part of a wider global shift. Many countries are testing hydrogen and other clean fuels for shipping.

For example, Norway launched the MF Hydra in 2023. Belgium introduced the Hydrotug 1 in 2024.

However, most of these vessels are small or operate on short routes. Japan’s project targets large cargo ships, which are more complex and more impactful for emissions.

Governments are also exploring hydrogen shipping corridors. These are planned routes where hydrogen-powered vessels can operate with proper fueling infrastructure. This global activity shows that hydrogen is moving from early testing to larger applications.

A $300B Hydrogen Market Meets Maritime Demand

The hydrogen economy is expanding quickly. Global demand is rising as industries look for low-carbon solutions.

Industry estimates suggest the global hydrogen market could exceed US$300 billion by 2030. Growth is driven by energy, transport, and industrial use.

hydrogen market size and projection
Source: MarketsandMarkets

In shipping, hydrogen competes with other fuels like ammonia and methanol. Each has strengths and challenges. Hydrogen stands out for its zero carbon emissions at the point of use.

Cost, Storage, and Infrastructure Barriers

Still, hydrogen has limits. Several barriers remain before hydrogen ships become common:

  • High costs compared to traditional fuels,
  • Limited supply of green hydrogen,
  • Lack of port infrastructure, and
  • Strict safety requirements.

Despite these issues, investment is growing. Governments and companies are funding research, pilot projects, and infrastructure.

Japan’s demonstration project will help address those gaps. The planned three-year trial will provide real-world data on performance, safety, and costs. If successful, hydrogen engines could become a practical option for large vessels. This would help reduce emissions from global shipping.

Can Hydrogen Power the Future of Global Trade?

Japan’s hydrogen engine test marks a key moment for the shipping industry. It shows that hydrogen can power not only small vessels but also large commercial ships.

The link to Japan’s net-zero strategy makes this development even more important. It connects national policy with global climate goals.

The coming years will shape how fast hydrogen shipping grows. With strong policy support and continued innovation, hydrogen could play a major role in building a low-carbon maritime sector.

The post Japan Unveils First Hydrogen Engine for Large Ships appeared first on Carbon Credits.

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