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Alternative Fuels

Blend Tiger research explores hydrogen as the shipping industry’s new bunker fuel

Opportunities for hydrogen to decarbonise the marine industry are significant, but the challenges are great, says author Eliseo Curcio of Blend Tiger.

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Hydrogen the new fuel for the shipping industry

Eliseo Curcio, Clean Fuels Business Developer, of New York-based blending consulting company Blend Tiger LLC recently shared his paper ‘Hydrogen the new fuel for the shipping industry’ with bunkering publication Manifold Times.

The document provides an overview of hydrogen’s storage as a bunker fuel on vessels, its energy density, forecast while exploring if the product can be an alternative to marine gas oil (MGO) and or Very Low Sulphur Fuel Oil (VLSFO), amongst other topics.

The author drew the following conclusions in the study:

The opportunities for hydrogen to decarbonize the marine industry are significant, but the challenges are great. Increased investment and clear and supportive policies and regulations are necessary. The magnitude of growth needed for hydrogen fuel use is an enormous obstacle. Changes to production, infrastructure, regulations, demand, and even data collection will be required.

Scaling all components of the value chain is a major part of the challenge, but also part of the solution. Economies of scale will help to lower costs and diversified production sources will help lower risk for off-takers and enable competitive markets. Scaling-up production will look different in different regions.

First, new regulations are needed at ground level, e.g., refineries where most of the hydrogen is produced through SMR. New technologies to get cleaner Hydrogen are needed there first, so they can provide the shipping industry with green hydrogen. Afterwards shipowners need to be able to purchase the hydrogen, that means ports and terminals need to have the infrastructure to provide hydrogen to all the ships.

Important considerations need to be taken into account on how hydrogen is moved and stored. If the hydrogen is bunkered and stored as a liquid, new and expensive infrastructures are needed. Shipowners need to invest in refurbishing engines with more expensive technologies, such as fuel cells.  Then the tanks which store the hydrogen need to be rebuilt to tolerate pressurized liquid and all the pipes that transfer Hydrogen need to be insulated to avoid hydrogen leaks.

As mentioned, the big shipping companies can afford the investment but the majority of smaller shipowners around the world cannot comply with this expensive technology. For all those reasons hydrogen can be a serious candidate only if everybody can afford to use it and to buy it. It has to be a fuel for everybody not just for elite shipping companies to show how they are leading decarbonizing the sector.

More investment, research and development are needed to lower production costs and promote ramp up. Given the scale of the investments needed on the supply side, it is likely that some form of long-term supply contracts will be needed. Pricing structure, delivery terms, flexibility, hydrogen quality, review clauses will be crucial parts of the negotiated contracts between buyers and sellers.

The hydrogen market is still in its infancy, but the potential and momentum for market development have never been greater and we believe it has excellent possibilities to replace the current MGO. Because the price, the cost of the technology and the availability, Hydrogen can play a role in the future but not in the present. We need to take advantage of the resources we have now and use them. For example, biofuels are the present solutions to help to decarbonize the sector because they can be used directly in the current technology and it won’t require enormous investments

Note to readers: The full report ‘Hydrogen the new fuel for the shipping industry’ can be downloaded from the Blend Tiger website through this link.

 

Photo credit: Blend Tiger
Published: 7 March, 2023

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Alternative Fuels

MPA and MSC ink MoU to support adoption of alternative bunker fuels

MPA and MSC will explore new routes and services to strengthen connectivity, support the adoption of alternative marine fuels such as bio-LNG, and advance technologies to improve vessel energy efficiency.

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MPA and MSC ink MoU to support adoption of alternative bunker fuels

The Maritime and Port Authority of Singapore (MPA) on Wednesday (3 June) said it signed a Memorandum of Understanding (MoU) with MSC Mediterranean Shipping Company to strengthen collaboration in maritime decarbonisation, digitalisation, innovation, and manpower development. 

The MoU was signed on 25 May 2026 by Mr Ang Wee Keong, Chief Executive of MPA, and Mr Soren Toft, Chief Executive Officer of MSC.

The MoU underscores the shared commitment of MPA and MSC to foster a sustainable, digital, and future-ready maritime sector, while enhancing MSC’s operational and business activities in Singapore. This year also marks the 30th anniversary of MSC establishing its Asia Regional Office and local office in Singapore.

Under the MoU, MPA and MSC will explore new routes and services to strengthen connectivity, support the adoption of alternative marine fuels such as bio-LNG, and advance technologies to improve vessel energy efficiency and operational performance.

MPA and MSC will also collaborate on maritime digitalisation initiatives to improve operational efficiency, including streamlining vessel arrivals and port operations. 

On manpower development, MSC will support internship and scholarship opportunities through Singapore Maritime Foundation’s Maritime Outreach Network (MaritimeONE) platform, an industry-led tripartite partnership comprising industry, government and institutes of higher learning that aims to raise awareness of the maritime industry and attract quality talent into the maritime sector.

Mr Ang Wee Keong, Chief Executive of MPA, said: “This partnership reflects the strong collaboration between MPA and MSC in driving sustainability and digitalisation in the maritime sector. By working together on decarbonisation, operational efficiency and talent development, we aim to strengthen Maritime Singapore’s position as a trusted and future-ready global maritime hub.”

Mr Soren Toft, Chief Executive Officer of MSC, said: “Singapore is a strategically important hub for MSC and a key gateway to the broader Asia region. As we mark 30 years in Singapore, this MOU reinforces our long-term commitment to strengthening our presence here. MSC and Singapore are closely aligned on the priorities shaping the future of global shipping, and we look forward to deepening this partnership to drive the continued growth and resilience of the maritime industry.”

 

Photo credit: Maritime and Port Authority of Singapore
Published: 4 June, 2026

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Methanol

Seaspan and Hapag-Lloyd complete first of five methanol vessel retrofit

Following “Seaspan Yangtze”, the remaining vessels planned for retrofit under the methanol retrofit programme are “Seaspan Amazon”, “Seaspan Ganges”, “Seaspan Thames”, and “Seaspan Zambezi”.

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Seaspan and Hapag-Lloyd complete first of five methanol vessel retrofit

Seaspan Corporation (Seaspan) and Hapag-Lloyd on Wednesday (3 June) announced the successful completion of the first of the five vessel conversions under their methanol retrofit programme with the delivery of Seaspan Yangtze.

From the early SAVER (Seaspan Action for Vessel Energy Reduction) programme to today’s CleanBlue initiative, Seaspan has committed over USD 230 USD million across 86 vessels, executing more than 550 efficiency and retrofit projects.

Following Seaspan Yangtze, the remaining vessels planned for retrofit under the programme are Seaspan Amazon, Seaspan Ganges, Seaspan Thames, and Seaspan Zambezi. Each retrofit is expected to reduce well-to-wake CO₂e emissions by approximately 30,000 to 50,000 metric tonnes per vessel annually when operating on low-carbon methanol, while also extending vessel lifespan and enhancing fuel flexibility.

“Decarbonisation is not just about building the fleet of tomorrow, it is also about unlocking the full potential of the fleet we have today. Retrofitting and upgrades on existing fleets play a practical, immediate, and economical role in accelerating shipping’s decarbonization journey,” said Bing Chen, Chairman, President and CEO of Seaspan. 

“Project SAVER CleanBlue highlights Seaspan’s strong customer partnerships, deep technical expertise, and unique platform integrated with JV partners, such as WattSpan Maritime Technology, in executing complex and large-scale retrofit projects.”

“The successful conversion of the Seaspan Yangtze together with the planned retrofit of its four sister vessels is another important step on our ambitious path towards net-zero fleet operations by 2045,” said Silke Lehmköster, Managing Director, Fleet, Hapag-Lloyd. 

“Together with Seaspan, we are demonstrating that retrofitting existing vessels for low-carbon methanol can be a practical way to reduce emissions in shipping.”

 

Photo credit: Seaspan
Published: 4 June, 2026

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Nuclear

South Korean-led nuclear car carrier design secures LR backing

LR is working with HHI, KSOE, Hyundai Glovis, G- Marine Service and KAERI on a joint development project exploring an advanced small modular reactor (SMR) installation on a PCTC.

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South Korean-led nuclear car carrier design secures LR backing

Classification society Lloyd’s Register (LR) on Tuesday (2 June) said it has teamed up with South Korean shipbuilding, marine services and nuclear research organisations to advance the development of a nuclear‑assisted car carrier concept. 

LR is working with Hyundai Heavy Industries, Korea Shipbuilding & Offshore Engineering (KSOE), Hyundai Glovis, G- Marine Service and the Korea Atomic Energy Research Institute (KAERI) on a joint development project (JDP) exploring an advanced small modular reactor (SMR) installation on a pure car and truck carrier (PCTC). 

The study focused on how a Molten Salt Reactor (MSR) could be physically and operationally integrated into a large vehicle carrier. Work examined the internal arrangement and segregation of the reactor system, shielding requirements, and the impact on cargo deck layout and vehicle capacity, alongside stability and trim implications linked to the reactor’s weight and positioning. 

The partners also assessed propulsion system configuration and power delivery, as well as operational flexibility compared with conventionally fuelled PCTCs, where trade routes and port calls can be tightly constrained. 

A key focus of the project has been safety. LR led hazard identification (HAZID) and preliminary risk assessment work, focusing on containment, onboard safety systems and potential operability constraints tied to nuclear technology at sea. 

The partners will mark the project milestone with an Approval in Principle (AiP) granting ceremony on 2 June at the LR stand during Posidonia 2026. 

Sung-Gu Park, President – North East Asia, Lloyd’s Register, said: “While nuclear propulsion is still at an early stage of development, this project shows the importance of building technical understanding now to support future progress. 

“Establishing feasibility at concept stage is a valuable step forward, particularly in areas such as cargo optimisation, vessel stability and integrated safety design.” 

Hong-Ryeul Ryu, CTO and Senior Executive Vice President at HD HHI, said: “With global environmental regulations becoming increasingly stringent and no definitive net-zero fuel yet available, SMR-powered ships can serve as a highly effective alternative, representing a pioneering next-generation maritime technology capable of complying with GHG emission regulations while allowing lifetime operation without refuelling, and HD HHI will remain at the forefront of sustainable maritime technology development.”

 

Photo credit: Lloyd’s Register
Published: 4 June, 2026

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