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DNV Decarbonization Insight Series August 2026 - What maritime professionals should know about AI Training

Alternative Fuels

SEA-LNG: LNG dual-fuel vessels provide lowest compliance cost to meet regulations

SEA-LNG analysis shows that LNG dual-fuelled vessels provide the lowest compliance cost for meeting EU and IMO decarbonisation regulations.

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An industry coalition SEA-LNG analysis, published on Tuesday (17 December) showed that LNG dual-fuelled vessels provide the lowest compliance cost for meeting EU and IMO decarbonisation regulations.  

Using Z-Joule’s POOL.FM, SEA-LNG has undertaken analysis based on a modelled mid-sized, 14,000 TEU container vessel. This analysis is in the form of both a single vessel and also an eight-vessel fleet operating the Rotterdam – Singapore trade route over the period 2025 to 2040. 

The analysis focuses on the LNG, methanol, and ammonia fuel pathways and compares their compliance costs against the default of using VLSFO (very low sulphur fuel oil). The analysis uses the specifications for main and auxiliary engines published by the main marine engine manufacturers MAN ES, Wärtsilä and WinDG.

The study indicates that LNG, methanol, and ammonia dual-fuel engine technologies can reduce compliance costs compared with VLSFO, with LNG dual-fuel vessels providing a significantly lower cost compliance solution. The basis for this is that the LNG pathway offers immediate greenhouse gas reductions now and in the future compared with the other fuel choices. The use of LNG also dramatically reduces SOx, NOx and Particulate Matter (PM), thereby avoiding the use of relatively expensive MGO (marine gas oil) for ECA (Emission Control Area) compliance.  

In terms of fleet operations, for an eight-vessel fleet with two alternatively fuelled “balancing vessels,” the overall cost of compliance with LNG will be between USD 5 million and USD17 million per annum lower than other alternative fuels such as methanol and ammonia. Further, as FuelEU Maritime is implemented from 2025 onwards, fleet operators using ammonia and methanol dual-fuel vessels are likely to need significant quantities of expensive green fuels in an effort to avoid very high penalty charges.

Steve Esau, Chief Operating Officer at SEA-LNG, said, “It’s our mission to provide objective data and analysis to support owners and operators in decision-making at this critical juncture for shipping.”

“As greenhouse gas emissions become subject to increasingly stringent regulation, the industry needs cost-effective solutions to meet its decarbonisation goals. Today, this study clearly illustrates that the LNG pathway is a cost-effective way to meet regulatory compliance targets now and in the future.”  

Fernando Alvarez, Founder of Z-Joule, said: “Z-Joule’s software provides the industry with a robust platform to explore and optimise their decarbonisation journey.”

”POOL.FM is a fuel-agnostic model which utilises an advanced optimisation algorithm to determine the optimal fuel mix, pooling strategy, and target speed for each vessel in a fleet (or vessel pool).”

“The regulations currently modelled include CII, ECAs, EU ETS, FuelEU Maritime and Onshore Power Supply (OPS) mandates. Functionality to model possible IMO Market Based Measures (MBM)s is already in place and will be refined as more details about the forthcoming regulations emerge.”

Note: The full white paper is available for download here

 

Photo credit: Venti Views on Unsplash
Published: 18 December, 2024

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Alternative Fuels

Olam Agri, Vitol Bunkers wrap up co-processed VLSFO bio-bunkering operation in Singapore

“MV Scion Mathilda” was supplied with 246.5 mt of co-processed VLSFO at the Port of Singapore, comprising 212 mt of conventional VLSFO and 34.5 mt of co-processed CNSL VLSFO.

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Olam Agri, Vitol Bunkers wrap up co-processed VLSFO bio-bunkering operation in Singapore

Agri-business Olam Agri on Thursday (20 August) said it successfully completed Singapore’s first bio-bunkering operation with Vitol Bunkers, using Very Low Sulphur Fuel Oil (VLSFO) co-processed with Cashew Nutshell Liquid (CNSL), showcasing a waste-to-energy approach. 

MV Scion Mathilda was supplied with 246.5 metric tonnes (mt) of co-processed VLSFO at the Port of Singapore, comprising 212 mt of conventional VLSFO and 34.5 mt of co-processed CNSL VLSFO. The product was supplied by Vitol Bunkers and procured by Olam Agri’s ocean freight business.

The fuel was subsequently consumed during a voyage from Caofeidian (China) to Rotterdam (Netherlands), followed by a ballast leg from Rotterdam to Barcarena (Brazil). 

Total fuel consumption across the voyage comprised 1,354 mt of VLSFO, 101 mt of MGO and 34.1 mt of co-processed VLSFO. The vessel completed the voyage without any operational remarks, confirming the product’s performance in real-world conditions.

The operation marks a significant step forward in the search for practical, scalable alternatives to conventional marine fuels, and demonstrates that meaningful greenhouse gas (GHG) reductions can be achieved without any change to vessel operations.

Martin Fynbo, Head of Bunkers at Olam Agri’s ocean freight business, said: “The successful deployment of this product, achieving verified greenhouse gas mitigation alongside ensuring operational integrity, serves as a definitive proof of concept. This milestone provides validation to a traditionally risk-averse sector, demonstrating that a previously disregarded bio-product solution can both be operationally viable and sustainable.”

Sherman Yeo, Trading Manager, Vitol Bunkers, said: “This operation proves that co-processed VLSFO can be delivered and consumed at sea without any compromise to vessel performance or operational routine. The mass balance solution we have developed opens up a genuinely new avenue for GHG reduction in marine fuels.”

The co-processed VLSFO carries a GHG intensity of 2.02 gCO2eq/MJ, delivering savings of at least 120 MT CO2eq compared with conventional VLSFO on an equivalent basis. This outcome was achieved with no additional onboard handling or fuel treatment requirements.

Vitol’s co-processing and mass balancing methodology resolves a longstanding challenge in the use of CNSL as a marine biofuel. Direct blending of CNSL has historically been dismissed by the industry due to material compatibility and handling issues. By co-processing CNSL within the refinery stream, Vitol has opened a commercially viable pathway for CNSL to contribute to GHG reduction in shipping.

The co-processed VLSFO used in this operation conforms to RMG380 VLSFO grade and has the same chemical composition and quality as conventional fuel, eliminating the need for additional permissions or special clauses in charter party agreements.

“CNSL, derived as a by-product of cashew processing, represents an underutilised feedstock with genuine potential as a scalable marine biofuel component,” Olam Agri added. 

“This trial demonstrates that with the right processing approach, it can be integrated into existing supply chains without disruption.”

 

Photo credit: Vitol
Published: 21 August, 2026

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Alternative Fuels

China: CIMC Enric and Sinopec to team up on LNG, methanol bunker fuels in new deal

Under the new agreement, the companies will deepen cooperation across the LNG value chain and develop bunkering solutions including truck-to-ship bunkering services.

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China: CIMC Enric and Sinopec to team up on LNG, methanol bunker fuels in new deal

Clean energy equipment and services provider CIMC Enric on Monday (17 August) said it has signed a strategic cooperation agreement with Sinopec Fuel Oil Sales Co Ltd, covering LNG, green methanol, shipbuilding and new energy for marine applications.

Under the new agreement, the companies will deepen cooperation across the LNG value chain and develop bunkering solutions including truck-to-ship bunkering services. They also plan to expand into emerging marine fuels and energy solutions, including green methanol and sustainable aviation fuel (SAF).

The partnership will focus on five areas: energy-resource cooperation, shipbuilding, marine-fuel bunkering, vehicle-related services and integrated services.

The agreement was signed in Shenzhen on 14 August by Yang Xiaohu, executive director and president of CIMC Enric, and Xu Tao, deputy general manager and Party committee member of Sinopec Fuel Oil.

The cooperation will span commercial implementation, industry development and technology innovation.

The partnership comes as the shipping industry accelerates its transition towards lower-carbon fuels amid tightening International Maritime Organization emissions regulations and China’s carbon-reduction goals.

CIMC Enric specialises in equipment for the clean-energy sector, while Sinopec Fuel Oil leverages the resource and supply network of China Petroleum & Chemical Corporation (Sinopec). Both said their complementary capabilities provide a basis for moving beyond a conventional equipment-supply relationship towards broader cooperation integrating equipment, fuels, applications and technology.

The two companies began working together in October 2022, initially focusing on LNG and CNG storage and transportation equipment. Their cooperation has since expanded into marine equipment, green methanol bunkering, storage and transportation equipment, and external gas-source procurement.

The companies said they will establish a regular cooperation mechanism and develop detailed projects to accelerate implementation. The partnership is intended to strengthen collaboration between energy-equipment and energy-supply companies and support the maritime industry’s transition towards lower-carbon fuels.

 

Photo credit: CIMC Enric
Published: 21 August, 2026

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Ammonia

Azane signs ammonia bunkering deal with Equinor, first deliveries due in H2 2026

Both signed a framework agreement for the supply of ammonia and the execution of truck-to-ship ammonia bunkering operations for ammonia-fuelled vessels.

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Azane signs ammonia bunkering deal with Equinor, first deliveries due in H2 2026

Azane Fuel Solutions (Azane) on Thursday (20 August) said it has signed a framework agreement with Equinor Energy AS for the supply of ammonia and the execution of truck-to-ship ammonia bunkering operations for ammonia-fuelled vessels. 

The first deliveries will commence during the second half of 2026. The agreement establishes a framework for future ammonia fuel deliveries and bunkering operations supporting the maritime industry’s transition towards lower-emission solutions. 

“This agreement marks an important milestone for Azane and demonstrates growing confidence in ammonia as a marine fuel,” said Steinar Kostøl, CEO of Azane. 

“Truck-to-ship bunkering offers a practical and flexible solution for the early adoption of ammonia-fuelled vessels while the broader ammonia fuel ecosystem continues to develop.”  

The agreement covers truck-to-ship ammonia bunkering operations, where ammonia is transported to the quayside and transferred directly to the receiving vessel. 

The contract supports Azane’s strategy of enabling near-term deployment of ammonia as a marine fuel while continuing to develop dedicated ammonia infrastructure for future market growth. 

 

Photo credit: Azane Fuel Solutions
Published: 21 August, 2026

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