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Global Centre for Maritime Decarbonisation awards ammonia bunkering safety study to DNV-led consortium

Letters of collaboration signed with 21 industry partners who have agreed to share confidential technical information with the consortium to produce a robust set of recommendations for regulators.

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Vessels on anchorage at Singapore Nikos Spaeth MT 1

The Global Centre for Maritime Decarbonisation (GCMD) on Wednesday (26 January) said it is pleased to award its ammonia bunkering safety study to a DNV-led consortium.

DNV, a globally established class society, is partnering with Surbana Jurong and the Singapore Maritime Academy (SMA). Surbana Jurong’s understanding of the local landscape will be critical to site identification for ammonia bunkering. SMA, part of Singapore Polytechnic, will co-develop workforce curriculum and provide manpower development in handling ammonia as a bunker fuel.

GCMD announced its first Invitation for Proposals “Defining the safety and operational envelopes to enable ammonia bunkering pilot and demonstration” on 8 October 2021 to a short list of classification societies and engineering consultants, and received a strong response upon its close.

Evaluation of the proposals was carried out by a team comprising industry experts with extensive experience and knowledge in this area, and the GCMD projects team.

A precursor to the demonstration of ammonia bunkering in Singapore, the intent of this study is to define a robust set of safety guidelines and operational envelopes that will establish the basis of a regulatory sandbox for trials at two local bunkering sites.

Handling ammonia as a bunker fuel will require more stringent safety and operational guidelines compared to transporting ammonia as a commodity given the substantively higher transfer frequency and the need for more flexible transfer configurations.

This study will build on guidelines that have been developed for safe handling of ammonia as a commodity by defining and then integrating or overlaying the guidelines required for safe handling ammonia as a bunker fuel.

While conducted in Singapore, this study can be calibrated to site-specific operational conditions to help advance the deployment of green ammonia as a bunker fuel elsewhere.

Professor Lynn Loo, the CEO of GCMD, said: “As with any new bunker fuel, there are safety and operational challenges associated with their use. GCMD has chosen to look at ammonia bunkering as its first project because ammonia is among the most energy-efficient green fuel to be produced.”

“This study to define the safety and operations envelopes for ammonia bunkering is critical to its eventual adoption anywhere. We have chosen to commission this study in Singapore; with Singapore being a population dense island nation and a major bunkering hub, the stringent guidelines developed in this study will likely be extensible to ports elsewhere.”

On news of the award, Knut Ørbeck-Nilssen, CEO of DNV Maritime, added: “Our research shows that a number of safety gaps hold the potential to disrupt the speed and success of shipping’s energy transition. The safe handling of ammonia – among the most promising future fuels – is one such gap which urgently needs to be closed, given the threat it poses to seafarers and ships unless properly managed.”

“We are therefore thrilled to partner with Surbana Jurong and Singapore Maritime Academy on this pioneering initiative, which we hope will lay the foundations for robust ammonia bunkering safety guidelines with industry wide applicability.”

Ahead of the award of this study, GCMD signed letters of collaboration with 21 industry partners who have agreed to share confidential technical information with the consortium so a robust set of recommendations can be made to regulators. (Annex A)

In addition, more than 30 organisations across the supply chain have registered to be part of the Industry Consultation and Alignment Panel (iCAP), set up by the centre to solicit input on the study recommendations. Interested companies may continue to register their interest to be part of the iCAP at this link: iCAP registration form.

The Maritime and Port Authority of Singapore (MPA), a founding partner of the Centre, will take the findings from the GCMD study into consideration to facilitate the development of a regulatory sandbox for future trials.

In parallel, GCMD has initiated discussions with the Singapore Maritime Institute (SMI) and the Centre for Excellence for Maritime Safety (CEMS) at the Singapore Polytechnic to operationalise the manpower development framework for training operators for the ammonia bunkering pilot.

“In any sustainable transition, a robust management of change process must always be in place where safety is mandatory to protect lives, the environment and investments,” said Dr Sanjay C Kuttan, GCMD Chief Technology Officer.

“The overwhelming support from both industry partners and iCAP members is testament to the importance of this study, and GCMD is committed to co-creating a positive impact with our partners as we navigate the challenges of maritime decarbonisation.”

The study will commence in February 2022 and is expected to take between 10 to 12 months to complete.

GCMD Annex A

Related: DNV: Green ammonia a ‘key ingredient’ to decarbonise maritime industry
Related: DNV Decarbonisation Insights: Singapore’s pathway to Net Zero and the role of Ammonia

 

Photo credit: DNV / Nikos Spaeth
Published: 26 January, 2022

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Biofuel

BHP and GCMD trial multi-feedstock B100 bio bunker fuel on bulk carrier

Bio-blend in the BHP and GCMD pilot is being used on a BHP-chartered bulk carrier “Berge Lyngor”, which was bunkered in Singapore in early May.

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BHP and GCMD trial multi-feedstock B100 bio bunker fuel on bulk carrier

BHP and the Global Centre for Maritime Decarbonisation (GCMD) on Wednesday (3 June) said they have blended biofuels from two distinct feedstocks—used cooking oil and waste animal fats —and introduced the lower-emissions marine fuel into a BHP-chartered bulk carrier as part of a pilot project.

The bio-blend in the BHP and GCMD pilot is being used on a BHP-chartered bulk carrier Berge Lyngor, owned and operated by Berge Bulk, transporting BHP iron ore from Western Australia to China. When run on bio-blend, the vessel has the potential to reduce well-to-wake greenhouse gas emissions by approximately 79 per cent per voyage compared to sailing on very low sulphur fuel oil (VLSFO).

The vessel bunkered in Singapore in early May with a B100 bio-blend comprising 50 percent tallow-derived biodiesel, sourced and supplied by HAMR Energy, and 50 per cent used cooking oil (UCOME) supplied by Mitsui & Co Energy Trading Singapore (METS).

Mitsui also blended the fuel and Dan-Bunkering coordinated and executed the bunkering operation, which was performed by Global Energy’s barge MT Maple.

The BHP and GCMD pilot will assess how biofuels from multiple feedstocks can be blended, handled, and introduced under real-world operating conditions using existing used cooking oil bunkering infrastructure.

At the same time, insights from this pilot will help identify solutions to challenges related to fuel quality, handling, traceability, and onboard vessel performance.

Biofuels for global shipping today rely heavily on used cooking oil – a feedstock whose availability is approaching its projected limits. Biofuel from waste animal fats presents a promising option to expand the supply of lower-emissions marine fuels.

The outcomes of the pilot are expected to shed light on the practical steps to integrate biofuel blends from different feedstocks into existing supply chains. The diversity of biofuels will provide shipowners and operators with greater flexibility to optimise fuel procurement based on cost, availability, and lifecycle emissions performance.

Biofuels derived from different feedstocks can exhibit varying properties that may impact operations, including potential corrosion from oxidation, fuel system clogging caused by wax formation, which this pilot aims to assess.

The pilot will trace and verify the biofuel blend’s integrity aimed at bolstering confidence in emissions reductions reporting. The pilot will also provide insights into how robust tracing can support future marine fuel supply chains where biofuels from multiple feedstocks with varying lifecycle greenhouse gas emissions footprints are blended together.

This project is co-funded by the Maritime and Port Authority of Singapore under the Maritime Innovation and Technology Fund (MINT).

 

Photo credit: Global Centre for Maritime Decarbonisation
Published: 3 June, 2026

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Biofuel

NYK starts one-year B100 bio bunker fuel trial on car carrier

In this trial, NYK will operate a car carrier continuously on B100 for one year to evaluate the impact on engines, fuel supply systems, and operational practices.

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NYK starts one-year B100 bio bunker fuel trial on car carrier

Japanese shipping firm NYK on Tuesday (2 June) said it has commenced a one-year long-term trial involving the continuous use of 100% biofuel (B100) on an NYK-operated car carrier. 

In this trial, NYK will operate a car carrier continuously on B100 for one year to evaluate the impact on engines, fuel supply systems, and operational practices. High-purity biofuels such as B100 are known to be susceptible to degradation from oxygen, light, and heat, raising concerns about the stability of such fuels during long-term use.

In this trial, the biofuel primarily comprises FAME (Fatty Acid Methyl Ester) derived from used cooking oil and similar feedstocks.

The initiative is designed to evaluate the fuel’s effects on the vessel’s equipment and verify operational safety under real-world conditions. 

Through this effort, NYK seeks to accumulate technical expertise that will support the broader use of high-purity biofuels and further accelerate efforts to reduce greenhouse gas (GHG) emissions.

NYK has been advancing the use of biofuels through various initiatives. In 2024, the company conducted a trial using biofuel blend B24 and subsequently expanded practical usage to B30. However, the company said there remains limited global experience with the long-term continuous use of B100.

“By collecting long-term operational data through this trial, NYK aims to accumulate valuable technical insights to support both the safe operation of vessels and the wider adoption of high-purity biofuels,” it said. 

 

Photo credit: NYK
Published: 3 June, 2026

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Ammonia

AM Green plans to build green ammonia plant at Indian port

Initiative also includes development of green ammonia handling, storage and bunkering infrastructure, pilot bunkering operations, safety procedures and training programmes, says VOC Port Authority.

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VO Chidambaranar (VOC) Port Authority on Friday (29 May) said it has signed a Memorandum of Understanding (MoU) with India’s ammonia producer AM Green Ammonia to collaborate in the development of a green ammonia production plant.

The plant will have a capacity of one million tonnes per annum (MTPA) at Tuticorin.

The initiative also includes development of green ammonia handling, storage and bunkering infrastructure, pilot bunkering operations, safety procedures and training programmes. 

The project is expected to support the development of green fuel corridors connecting VOC Port with major ports in Europe and Asia, thereby strengthening India’s position in the global green fuels value chain.

VOC Port also signed a Memorandum of Understanding (MoU) with Bureau Veritas (India) Pvt. Ltd., to collaborate on Green Port certification, emissions accounting, ESG reporting, safety validation, development of green bunkering practices, and establishment of a Centre of Excellence for green fuels and sustainability.

The port also plans for an upcoming 750 m³ green methanol bunkering facility.

 

Photo credit: Naveed Ahmed on Unsplash
Published: 3 June, 2026

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