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Wallem publishes whitepaper on best practice guidance for bio bunker fuels

Study offers comprehensive guidance on the precautions owners and crew need to consider before and during use to ensure ships, ships systems and crews are fully prepared to load, store and use biofuels.

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RESIZED Chris Pagan

Hong Kong-based ship manager Wallem Group on Tuesday (20 May) published a new whitepaper to ensure ships, ships systems and crews are fully prepared to load, store and use biofuels in everyday vessel operations.

The company said ‘Marine Biofuels: Adoption, use and best practice’ offers a comprehensive guidance on the precautions owners and crew need to consider before and during use.

With a lower calorific value than fossil fuels, biofuels present adoption challenges that require close attention from procurement, technical and vessel operating personnel, noted Abhijit Ghosh, Head of Maritime Technology and Innovation, Ship Management, Wallem Group.

The whitepaper examined the regulatory landscape surrounding marine biofuels, but also the specifics of IMO compliance, and the transparency needed to use fuels that vary batch to batch. It explains how these blends of Fatty Acid Methyl Ester (FAME) and residual or distillate fuels impact storage tanks, fuel systems, machinery, and crew training, also reflecting on the need for additional insurance cover.

Based on experience, Wallem has particular recommendations for owners on the assurances they need from equipment suppliers before introducing biofuels. It also explores the consequences for biofuel users of improper blending, acidity, biodegradation and microbial growth, fouling, waxing and clogging.

The publication provides best practice recommendations for testing, materials selection, segregation, temperature control, tank cleaning and fuel line flushing. 

For long-term biofuel use, Wallem recommended that engines be retrofitted with hardened fuel pumps and corrosion-resistant coatings.

The whitepaper also considered crew training gaps and offered recommendations for monitoring, measuring, and checking biofuel use to ensure that personnel, systems, and the ship remain safe.

“The combination of a centralised digital system for real-time tracking and analysis of biofuel consumption and a skilled and well-trained crew can be transformative for enabling the future-ready maritime fleet”, said Ghosh.

Note: The whitepaper ‘Marine Biofuels: Adoption, use and best practice’ can be downloaded here

 

Photo credit: Chris Pagan on Unsplash
Published: 21 May, 2025

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Alternative Fuels

DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

LNG-fuelled vessels accounted for the vast majority of August activity while the strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year.

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DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

Latest data from classification society DNV’s Alternative Fuels Insight (AFI) platform alternative-fuelled vessel ordering was strong in August, with 52 new vessels added to the platform.

This is the highest monthly total since October 2024 and follows another active month in July, when 47 vessels were added to the database.

LNG-fuelled vessels accounted for the vast majority of August activity, with 46 orders recorded. The container segment led the way with 30 orders, while the car carrier segment contributed a further 12 LNG-fuelled vessels. In addition, four ethanol-fuelled bulk carriers and two hydrogen-powered bulk carriers were added during the month, as well as one LNG bunker vessel.

The strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year. In total, 242 alternative-fuelled vessel orders have been placed in the first eight months of 2026, representing a 27% increase compared with the same period in 2025.

LNG remains the dominant fuel choice, accounting for 63% of all alternative-fuelled vessel orders registered so far this year. Container vessels represent the largest share of these LNG orders (59%), followed by car carriers (30%).

Jason Stefanatos, Global Decarbonization Director at DNV Maritime, said: “The past two months have been particularly strong for alternative-fuelled vessel ordering, with August recording the highest monthly total we’ve seen since October 2024. This has helped lift year-to-date orders to a level well above the same period last year.

“LNG remains the leading fuel choice, driven largely by activity in the container and car carrier segments. These sectors have been among the earliest adopters of alternative fuels, supported by predictable liner operations and increasing demand from cargo owners to reduce emissions across supply chains. 

“For many owners, LNG offers a combination of emissions reductions, fuel availability and future flexibility while the longer-term fuel landscape continues to evolve. 

“At the same time, the latest figures include orders for ethanol- and hydrogen-fuelled vessels, highlighting that owners continue to explore a range of decarbonization pathways. Different segments are making different fuel choices, but the overall level of activity demonstrates continued investment in lower-emission shipping.”

Screenshot 2026 09 04 at 12.29.26 PM Screenshot 2026 09 04 at 12.29.36 PM

 

Photo credit: DNV
Published: 4 September, 2026

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Alternative Fuels

Hercules Tanker Management’s ‘Ultra-Spec Series’ tanker “Vanessa” begins maiden voyage

Designed for worldwide deployment, the series can transport and supply conventional marine fuels as well as alternative fuels up to B100 and methanol.

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Hercules Tanker Management’s ‘Ultra-Spec Series’ tanker “Vanessa” begins maiden voyage

Hercules Tanker Management (HTM) on Wednesday (2 September) said its latest Ultra-Spec Series of next-generation tankers, Hercules Vanessa, has commenced her maiden voyage.

HTM is the shipping venture launched by John A. Bassadone, founder and CEO of independent marine fuel supplier Peninsula.

The 10-vessel programme forms part of the company’s long-term fleet renewal strategy, replacing ageing tonnage with more efficient vessels while delivering the future-ready capability needed to support the maritime industry’s evolving energy landscape. 

Designed for worldwide deployment, the series can transport and supply conventional marine fuels as well as alternative fuels up to B100 and methanol. 

Hercules Vanessa is also the first in the series to feature MarineLINE, a high-performance cargo tank coating system. 

The vessel is currently en route to Port Louis to take bunkers and provisions before continuing southbound towards Cape Town. It is scheduled to discharge a cargo of biofuel, loaded at Nansha Terminal in China, in Ghent later this year.

“HTM’s Ultra-Spec Series continues to gather momentum as we build a modern fleet capable of supporting cleaner marine fuel supply chains,” the company said. 

Related: Hercules Tanker Management launches ‘Ultra-Spec Series’ bunker tanker “Harriet”

 

Photo credit: Hercules Tanker Management
Published: 3 September, 2026

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Alternative Fuels

NYK and Stolt-Nielsen target LNG, bio-LNG bunkering growth through Avenir LNG JV

NYK says joint venture will pursue opportunities in LNG and bio-LNG bunkering, supporting the maritime industry’s transition to lower-emission fuels.

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NYK and Stolt-Nielsen target LNG, bio-LNG bunkering growth through Avenir LNG JV

Avenir LNG on Tuesday (1 September) announced the completion of the transaction first announced in March, establishing Avenir LNG as a 50/50 joint venture between NYK Line and Stolt-Nielsen.

The partnership brings together the global reach, expertise and capabilities of two leading maritime groups, providing an even stronger platform from which Avenir can continue to grow.

“For Avenir, our focus remains clear: expanding our global LNG bunkering and small-scale LNG activities, accelerating the adoption of Bio-LNG, and helping our customers navigate the transition towards lower-carbon shipping,” the company said. 

“We are incredibly proud of what the Avenir team has built to date and excited about what this new partnership makes possible.”

With the completion of the transaction, NYK said it has established a joint ownership and operating structure with Stolt-Nielsen for Avenir LNG, an operator in the LNG bunkering sector with one of the world’s largest fleets of LNG bunker vessels.

“The joint venture will pursue opportunities in LNG and bio-LNG bunkering, supporting the maritime industry’s transition to lower-emission fuels,” NYK said in a separate statement. 

 

Photo credit: Avenir LNG
Published: 2 September, 2026

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