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New study assesses role of technologies in tracing the true carbon intensity of sustainable bunker fuels

Report highlights the role of technology in enabling the shipping industry to develop specific mechanisms to track, verify and assure the true carbon intensity of sustainable marine fuels.

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Lloyd Register (LR) on Wednesday (18 January) said LR Maritime Decarbonisation Hub and Safetytech Accelerator published a new report highlighting the role of technology in enabling the shipping industry to develop specific mechanisms to track, verify and assure the true carbon intensity of sustainable marine fuels.

Shipping’s decarbonisation is focused on delivering alternative fuels that significantly reduce greenhouse gas (GHG) emissions. However, to be sure that alternative fuels can achieve the GHG reductions needed, emissions from the end-to-end supply chain of these fuels must also be measured, from the resource used to produce the fuels, to their consumption onboard the ship.

The key challenge facing the industry is that ship operators can lack visibility over the supply chain responsible for producing, delivering and bunkering a fuel used on their ships. A marine fuel can be presented as carbon-neutral, but could release substantial emissions when measured on a life-cycle assessment or well-to-wake basis.

Furthermore, alternative fuels may take diverse grey or blue production routes, thus delivering fuels that are often blended, mixed or re-labelled during transportation and distribution before they reach their final users. Consequently, there is no guarantee that fuel bunkered retains the same carbon footprint as the fuel that left the production facility.

For this reason, the LR Maritime Decarbonisation Hub and Safetytech Accelerator have explored technologies that can track the true carbon intensity of hydrogen and ammonia, two of the most promising long-term alternative bunker fuel candidates for shipping’s energy transition.

Working with two technology vendors, TYMLEZ and Authentix, the collaboration resulted in a joint report, Tracing the true carbon intensity of sustainable marine fuels which examines new methods of tracing information on how a fuel is being produced, from the source of the electricity used in the production process, to the delivery of an un-altered final product.

The first method is through the TYMLEZ solution, which utilises a ‘guarantee of origin’ (GO) scheme where each unit of hydrogen or ammonia is certified through a live facility data platform that can capture emissions data during the production process, such as water and fuel usage and grid electricity consumption. Blockchain technology is deployed for green hydrogen and green ammonia tracking systems.

Following the production and supply of the fuel that is accompanied with a GO certificate, the second method is applied through the Authentix approach, which offers downstream assurance. The Authentix solution can account for any blending or miss-labelling of the fuel through the use of a synthetic marker system, where the fuel is evaluated via chemical detection of the origin of the fuel, as well as any occurred dilution.

Given the varied production routes of sustainable marine fuels, it is essential to develop new carbon tracing authentication methods to ensure that the new fuels purchased are being produced, transported and stored in a way that will deliver emissions performance expectations.

Charles Haskell, LR Maritime Decarbonisation Hub Director, said: “The complexity of the marine fuel supply chain, with its diverse production methods, presents significant challenges to the shipping industry as the definition of sustainability is extended to include all stages of well-to-wake emissions. We hope that this joint study can serve as the basis for synergies and pilot projects to emerge and further contribute to the discussions for the development of new industry standards that can authentically validate the environmental and commercial impact of these new fuels.”

Dr. Maurizio Pilu, Safetytech Accelerator Managing Director, said: “The assurance of new green fuels, whether in terms of safety, origin, carbon footprint, is going to be a key component of the journey towards maritime decarbonisation. The right technologies could make the assurance process cost-effective, reliable and scalable. I am pleased that Safetytech Accelerator had the opportunity to collaborate with the Lloyd’s Register Maritime Decarbonisation Hub and the Authentix and Tymlez to understand how technologies such as theirs, could be used in future assurance processes.”

Daniel O’Halloran, Executive Chairman of TYMLEZ, said: “We are extremely excited by the release of this report as it showcases the role of technologies such as the TYMLEZ Platform in the decarbonisation of the maritime industry. The guarantee of origin of sustainable fuels such as green hydrogen and green ammonia will be paramount for proving decarbonisation efforts across the industry. It is therefore vital that technologies that can verify the origin and green credentials of these fuels with total trust and transparency be utilised. The TYMLEZ Guarantee of Origin solution detailed in this report provides shipowners and operators total assurance over the sustainability credentials of the fuels they’re using to power their vessels.”

Jim Seely, Vice President of Solutions for Authentix, said: “We have been a pioneer in fuel quality and authentication since our beginnings 27 years ago and this continues today. We are excited to be involved in this innovative project to provide the most advanced technology available for the assurance and verification of green fuels required by the maritime industry in its long-term goal toward decarbonisation.”

Note: Download the report here and sign up to join a webinar here on January 31 at 09h00 GMT where the study’s collaborators will discuss the findings.

 

Photo credit: Lloyd Register
Published: 19 January, 2023

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Decarbonisation

DNV: New research shows how regulation could reshape shipping

DNV summarizes findings of its latest Maritime Forecast to 2050, exploring how future scenarios could affect marine fuel demand, technology uptake, fleet investments, and competitiveness.

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Classification society DNV on Thursday (24 September) released a new article summarizing findings of its latest Maritime Forecast to 2050, exploring how future scenarios could affect marine fuel demand, technology uptake, fleet investments, and competitiveness: 

Shipping’s energy transition has entered a new phase. The technology options are increasingly well understood. LNG, methanol, biofuels, wind-assisted propulsion, and emerging ammonia solutions are no longer concepts but commercial realities. Yet despite this progress, shipowners face a more difficult challenge than ever: making investment decisions amid unprecedented regulatory uncertainty.

The 2026 edition of DNV’s Maritime Forecast to 2050 argues that uncertainty itself is now becoming one of the most important drivers of fleet strategy. 

“Decisions taken today on vessel design, retrofits, and fuel capability will determine competitiveness for decades, while the outcome of ongoing regulatory negotiations could significantly reshape the economics of shipping’s energy transition,” says Øyvind Sekkesæter, Senior Consultant at DNV and lead author of this year’s report. “Maritime Forecast to 2050 aims to assist that decision-making with our latest core insights and case study examples.”

Four regulatory scenarios could shape shipping very differently

This year’s Maritime Forecast takes a scenario-based approach, presenting four possible regulatory futures for shipping. These range from the full adoption of IMO’s initially approved Net-Zero Framework (NZF) to its rejection and prolonged political gridlock, while also exploring several intermediate outcomes, including a delayed or revised NZF and scenarios where regional regulations play a more prominent role in driving decarbonization. Rather than predicting which outcome is most likely, the scenarios illustrate how different regulatory futures could affect fuel demand, energy-efficiency uptake, investment signals, and fleet competitiveness.

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Stronger global regulation accelerates demand for low-GHG fuels and increases the attractiveness of energy-efficiency measures, while the absence of such regulation slows market development. The result is a transition whose pace may vary significantly depending on future policy decisions.

“For shipowners, this means the challenge is no longer identifying a single fuel pathway that fits the operational profile of their fleet. Instead, it is preparing fleets that remain competitive across multiple possible futures,” Sekkesæter concludes.

Tapping the fleet’s efficiency potential

Fully realizing the fleet’s energy-saving potential requires improvements not only to newbuilds but also to existing ships through retrofits.

Installing energy-saving devices during scheduled dry-docking can be a highly cost-effective decarbonization strategy, as illustrated by the Maritime Forecast’s case study of a hypothetical 15-year-old 5,000 TEU containership (built in 2013).

This envisages USD 2.35 million being invested to retrofit the ship with hydrodynamic enhancements including a bow retrofit, propeller upgrade, and a propeller boss cap fin.

The vessel can achieve estimated fuel savings of around 16% under the modelling assumptions. Evaluating the investment under three price scenarios for low sulphur heavy fuel oil (LSHFO) results in payback periods from 1.4 years to 4.2 years.

Note: The full Maritime Impact article by DNV can be found here. 

 

Photo credit: DNV
Published: 25 September, 2026

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Alternative Fuels

Höegh Autoliners orders six more ammonia, methanol-ready Aurora class PCTCs

Höegh Autoliner inked a contract with China Merchants Group for six additional Aurora class PCTCs, which will be built by China Merchants Heavy Industry (Jiangsu) and delivered between 2029 and 2031.

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Höegh Autoliners orders six more ammonia, methanol-ready Aurora class PCTCs

Höegh Autoliners on Tuesday (22 September) said it has formally signed a contract with China Merchants Group (CMG) for six additional Aurora class pure car and truck carriers (PCTCs). 

The contract was signed during a high-level meeting in Naples attended by senior representatives from both companies, including Miao Jianmin, Chairman of China Merchants Group. Chair of Höegh Autoliners, Leif O. Høegh, and Andreas Enger, CEO of Höegh Autoliners.

The six additional dual-fuel LNG and zero-carbon-ready vessels will be built by China Merchants Heavy Industry (Jiangsu) Co., Ltd. (CMHI) and delivered between 2029 and 2031. 

With 18 Aurora Class vessels in the programme, Höegh Autoliners is building the fleet needed for a zero- emission future and setting the pace for the transformation of deep-sea shipping.

The Aurora Class vessels can carry up to 9,100 cars and reduce carbon emissions per transported car by up to 58 per cent compared with conventional PCTCs. They have DNV’s ammonia-ready and methanol-ready notations and are designed to be converted to run on future zero-carbon fuels.

Leif O. Høegh, Chair of the Board of Directors of Höegh Autoliners, said: “For nearly 100 years, we have developed, adapted and led the way through major changes in shipping. It is in our DNA to keep moving and challenge what is possible. This signing continues that story. We are investing in the vessels that will define our fleet for decades and help move our industry towards zero emissions.”

Andreas Enger, CEO of Höegh Autoliners, said: “This is not just another vessel-building agreement. It is a statement about the future of deep-sea shipping and the role we intend to play in shaping it. The Aurora Class is at the heart of our fleet renewal and our path to a sustainable future. By expanding the programme to 18 vessels, we are securing efficient, flexible and future-ready capacity while setting the pace towards zero-emission operations.”

Miao Jianmin, Chairman of China Merchants Group, said: “Höegh Autoliners is a pioneer in international shipping and will celebrate its 100th anniversary next year. We would like to offer our congratulations in advance! Over the past century, Höegh Autoliners has achieved remarkable development and has grown into a leading company in the global RoRo shipping sector. We truly admire what you have accomplished.”

 

Photo credit: Höegh Autoliners
Published: 24 September, 2026

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Newbuilding

CLdN orders two LNG dual-fuel RoRo vessels from HD Hyundai Heavy Industries

New vessels will be built with space reserved for the future addition of larger electric shaft generators and batteries as the technology matures.

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CLdN orders two LNG dual-fuel RoRo vessels from HD Hyundai Heavy Industries

Europe’s multimodal logistics providers CLdN on Tuesday (22 September) announced it has placed an order for two new 6,700 lane-metre RoRo vessels with HD Hyundai Heavy Industries (HD Hyundai HI).

Construction of the new vessels is set to begin towards the beginning of 2028, with delivery scheduled for mid-2029. 

“The ships will be the 15th and 16th vessels ordered by CLdN from the South Korean shipbuilder over the past 10 years,” the company said on its website. 

The new vessels will be dual-fuel capable, able to run on standard marine diesel or LNG, and will be built with space reserved for the future addition of larger electric shaft generators and batteries as the technology matures.

While fuel consumption per vessel is expected to be similar to that of CLdN’s existing 5,000 lane-metre class ships, the increased cargo capacity of the new vessels is expected to deliver 30 to 40% better fuel efficiency per tonne-kilometre of cargo carried making the vessels the most fuel-efficient RoRo ships in the world.

The new vessels are designed with one additional deck and increased ground space compared to CLdN’s existing 5,000 lane-metre class ships, with a configuration specifically adapted for trailer cargo. 

“The addition of these vessels to CLdN’s fleet will ensure customers benefit from an even broader range of shipping options via CLdN’s extensive fleet of RoRo and container vessels,” the company said. 

 

Photo credit: CLdN
Published: 24 September, 2026

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