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GCMD trial confirms long-term operational feasibility of B24 biofuel blend in vessels

Six-month trial on a PCTC confirms long-term operational feasibility of B24, demonstrating that its continuous use had no adverse impact on engine performance or operation of fuel oil delivery system.

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GCMD trial confirms long-term operational feasibility of B24 biofuel blend in vessels

A six-month trial on a Pure Car and Truck Carrier confirmed that continuous use of a B24 blend had no adverse impact on engine performance or the operation of the fuel oil delivery system, said the Global Centre for Maritime Decarbonisation (GCMD) on Thursday (18 September). 

GCMD said this when releasing its Project LOTUS (Long-term impact of continuous use of biofuels on vessel operations) report.

Launched in partnership with NYK Line on 9 May 2024, the trial onboard a pure car and truck carrier (PCTC) assessed the impact of continuous use of a B24 blend, comprising 24% fatty acid methyl ester (FAME; also known as biodiesel) with very low sulphur fuel oil (VLSFO), on engine performance and operations of the fuel oil delivery systems. 

Using a structured monitoring framework, GCMD tracked fuel and lubricant quality at key sampling points across these systems, and inspected engines and fuel systems components throughout the trial. 

Key findings

Project LOTUS involved extensive laboratory testing of 94 fuel and 91 lubricating oil samples, alongside detailed engine inspections and measurements during the vessel’s scheduled post-trial dry dock.

The main and generator engines, which ran on B24 for 2,888 and 1,813 hours, respectively, performed comparably to when they operated on VLSFO.

Key observations confirmed no excessive sludge in fuel injection valves, no scratches in fuel injection pump plungers, and no liner or piston wear beyond original equipment manufacturer (OEM) specifications. Scavenge drain and engine oil analyses also showed no excessive wear elements.

While the acid value of B24 blends increased 2.5-fold after six months of storage, the fuel quality remained within ISO 8217 specifications. No microbial growth was observed in fuel samples.

With these findings, OEMs confirmed engine and hardware compatibility with long- term B24 use, with no significant impact on operational costs, provided appropriate maintenance and handling practices are followed.

A key outcome of Project LOTUS is the development of a structured monitoring framework designed around operational considerations for biodiesel use to systematically track equipment performance and identify anomalies arising from biodiesel operations.

A data log template was created based on an existing engine log and tailored to address the project’s specific needs. Now that this template has been successfully piloted, it is publicly available and can be further customised to accommodate different vessel setups.

Professor Lynn Loo, CEO of GCMD, said:  “Project LOTUS grounds the conversation around the extended use of biofuels in evidence. Our findings show that they can be deployed safely and reliably, providing a concrete pathway for shipping’s decarbonisation.

Nobuhiro Kashima, Senior Managing Executive Office of NYK Line, said, “The use of biofuels is one of the key options for advancing the sustainable development of the maritime industry. We hope that the outcomes of this project will offer new possibilities to those considering the adoption of biofuels and help accelerate their broader use in various fields. By sharing the value of decarbonisation and logistics across society, we aim to help shape the next generation of shipping together.”

Note: The report can be accessed here.

 

Photo credit: Global Centre for Maritime Decarbonisation
Published: 18 September, 2025

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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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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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