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Wärtsilä and partners to embark on world’s first full scale ammonia marine engine test

Project is coordinated by NCE Maritime CleanTech and involves an ammonia driven fuel cell to be tested on the Eidesvik Offshore supply vessel Viking Energy.

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Wartsila ammonia testing

Maritime technology group Wärtsilä on Tuesday (30 June) said it will commence the world’s first long term, full-scale, testing of ammonia as a fuel in a marine four-stroke combustion engine together with Knutsen OAS Shipping AS and Repsol, as well as with the Sustainable Energy Catapult Centre.

The trial is made possible by a NOK 20 million (USD 2.1 million) grant from the Norwegian Research Council through the DEMO 2000 programme, it said. 

The project will commence in the Sustainable Energy Catapult Centre’s testing facilities at Stord, Norway during the first quarter of 2021. 

“This is a great example that illustrates the importance of dedicated petroleum R&D,” said Tina Bru, Norwegian Minister of Petroleum and Energy.  

“This DEMO 2000 project is another stepping stone for reaching our ambitious climate targets and it is also aligned with our recently published hydrogen strategy. 

“We are very happy to support development work that can lead to increased use of ammonia as a fuel in shipping and in the offshore sector. 

“Know-how from this project will also provide important input to the development of regulations for the use of ammonia and other low-carbon fuels.”

Ammonia has huge potential for providing green energy to remote power systems, such as offshore installations on the Norwegian Continental Shelf, noted Wärtsilä.

Development work by Wärtsilä, as it prepares for the use of ammonia as a fuel, continues with this testing programme, which will be the world`s first full-scale four-stroke combustion engine test. 

“We are really excited to further develop and understand the combustion properties of ammonia as a carbon free fuel in one of our multi-fuel engines”, said Egil Hystad, General Manager, Market Innovation at Wärtsilä Marine Business.

“This project is coordinated by NCE Maritime CleanTech, and it involves an ammonia driven fuel cell which will be tested on the Eidesvik Offshore supply vessel, Viking Energy.

Wärtsilä said as part of its development work on future fuels, it has studied the use of ammonia as a future carbon-free fuel through the ZEEDS initiative. 

The company’s first ammonia combustions tests were commenced in Vaasa, Finland, in winter 2020, and will continue with this long-term testing at the Sustainable Energy Catapult Centre facilities in Stord.

The full-scale fuel testing programme can pave the way for ammonia engines to be used in real vessel operations within a few years, and several shipowners have shown interest in this possibility, added the company.

It will also provide important insights into the long-term effect of an ammonia fuelled engine in relation to other systems and components in a vessel, including the required safety measures.  

“The Norwegian culture for collaboration and knowledge sharing across different companies and sectors, is a great support in closing big technology gaps,” added Hystad.

“The assistance, cooperation and funding from governmental institutions are essential to drive the change towards a carbon free future.” 

Related: Wärtsilä begins ammonia testing to advance future marine fuel capabilities


Photo credit: Wärtsilä
Published: 1 July, 2020

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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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