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FUJCON 2021: Panelists discuss why marine fuels adversely affect some ships, but not others

Delegates taking part in the Bunker Outlook & Marine Fuel Quality: Tackling the Challenges Post 2020 session answer a question from the floor.

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Panelists representing different aspects of the marine fuels supply chain on Wednesday (24 March) shared their perspectives on operational issues onboard vessels amidst varying bunker fuel quality at the 12th Fujairah International Bunkering and Fuel Oil Virtual Forum (FUJCON 2021).

The session on Bunker Outlook & Marine Fuel Quality: Tackling the Challenges Post 2020 saw Co-chairperson Douglas Raitt, Regional Advisory Services Manager at Lloyd’s Register Singapore, posing a question from the audience to panellists.

“There’s a lot of noise engine issues caused by quality, but the same fuel can demonstrably be burnt without issues. Why do certain ships have issues while others don’t?” He asks.

William Tan, Senior Vice President and Principal Consultant of Singapore-based marine fuels consultancy Miyabi Industries, said he has seen this question asked by several in his line of work.

“The same batch of fuel has been supplied to 50 vessels but only one or two ships experience problems. In reality, it is more complex than just the fuel quality itself,” Tan points out.

“What was the existing condition of the ship? Was it about to enter a major overhaul?  Or perhaps, are the engine purifiers working properly in the first place?”

He used the example of aluminium and silicon (cat fines) which has been subjected to a stricter limit of 60 ppm since ISO 8217:2012 (from the limit of 80ppm within the older ISO 8217:2005) to show why some fuels can still be safely consumed by vessels.

“I have some ship owners who complain when they detect 65 ppm of cat fines and they wanted to debunker,” he notes.

“During these situations, I will like to remind them that just a couple of years back we were running at 80 ppm limit without issues.

 “Apart from the quality of fuels, it’s probably a little bit from the shipping market position at that time as well as how they manage the ships and treat the fuels.”

Chris Turner, Manager Bunker Quality & Claims at Integr8 Fuels Singapore, offered his thoughts.

“There are on-spec bunker fuels that can damage engines and there are off-spec fuels that do not, and there are so many variables in between from the point of the vessel’s bunker manifold where risk is transferred in 99% of all bunker contracts,” he notes.

“You have to go into serious amounts of detective work with each and every case in order to try and ascertain whether it is the fuel, and whether it is not.

“So as mentioned [by Tan] cat fines is a great example; it could be off-spec and may well not cause a problem, but yet you could have a fuel with on-spec cat fines and because the fuel purifiers are not working correctly they could damage the engine.”

Sonnich Thomsen, Managing Director of Bunkers at Singapore-based energy trading company Sing Fuels, says the company sees both sides of the picture between shipowners and bunker suppliers due to its position as a trading entity.

“We always try to take as many precautions as we can and when possible encourage pretesting in ports where we don’t feel comfortable that the quality may be up to the par that we hope for and we are always looking at historic performances, etc, of the fuel supplier,” he said.

The discussion on vessel operations amidst varied bunker fuel quality could, perhaps, be best rounded off by Raitt’s observations of how the shipping industry adapted to the use of Very Low Sulphur Fuel Oil (VLSFOs) due to IMO 2020.

“I remember in 2019 everybody was crying foul and saying it’s going to be an absolute disaster. But in hindsight, IMO 2020 turned out to be a storm in a teacup,” he shared.

“Actually, the amount of fuel quality related issues was actually lesser in 2020 than it was in 2019.”

According to Raitt, Lloyd’s Register’s Fuel Oil Bunker Analysis Service (FOBAS) recorded approximately 4% of VLSFO off-specs and 2% of marine gas oil (MGO) off-specs in 2020; compared to 6% of HSFO off-specs and 4% of MGO off-specs in the year before.

“I think one thing must not be forgotten. A lot of fuel related problems that were reported were not necessarily because of fuel quality related issues but more in the lack of understanding of the nature of the beast of such high waxy fuels that need heating adequately at the right temperature to keep waxes in suspension to ensure the filters don’t block,” he said.

“So, I think a lack of sophistication and knowledge and to an extent under estimating the complexity of using such fuels was a little bit lacking in the beginning.

“But I’m very happy to suggest that, over time, even that has improved. Ship operators are now well aware of how to use paraffinic VLSFO with higher wax content.

“I’m quite happy and I’m actually quite intrigued and fascinated by the fact that as time progresses, the industry is actually doing much better with regard to fuels, being; Buying it, selling it, or using it.”

A series of FUJCON 2021 interviews and event coverage written by Manifold Times can be found below:

Related: FUJCON 2021: Shipowners face ‘really challenging’ future fuel choices, says IBIA Director
Related: FUJCON 2021: LNG bunkering ‘has to be part of the solution’ for IMO 2030/2050, says FGE Chairman
Related: FUJCON 2021: Sulphur off-specs in bunker fuel samples more than doubled on year in 2021, observes VPS

Related: INTERVIEW: Price risk management for future marine fuels more complex, forecasts ElbOil
Related: INTERVIEW: Bunkering sector undergoing through exciting technological transformation, observes Teekay Tankers
Related: INTERVIEW: National Bank of Fujairah discusses challenges, risk management in oil and bunkering sectors
Related: INTERVIEW: IMO 2030/2050 marine fuels to be decided by most cost efficient, effective well-to-propeller solution
Related: INTERVIEW: Bunker buying is more than a relationship-based activity; it’s a science, says marine fuels broker
Related: INTERVIEW: 80-90 times YOY growth for Singapore LNG bunkering volumes in 2021, says FueLNG
Related: INTERVIEW: Major ports, including Singapore, to prepare for alternative marine fuels future, says IMO
Related: INTERVIEW: VLSFO bunker contamination could resurface on USD 80 to 90 bbl oil, warns consultant


Photo credit: FUJCON 2021

Published: 25 March, 2021

 

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Alternative Fuels

Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

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Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Taiwanese shipping firm Yang Ming Marine Transport Corporation (Yang Ming) and South Korean shipbuilder Hanwha Ocean on Wednesday (2 September) signed a shipbuilding contract for six 13,000 TEU class LNG dual-fuel container vessels. 

The contract was signed by Dr. Chuck Tsai, Chairman of Yang Ming, and Mr. Charles Kim, CEO of Hanwha Ocean. The vessels are scheduled for delivery between 2028 and 2029. 

They will complement Yang Ming’s existing fleet of 10,000+ TEU vessels and serve as key vessels on East-West services, with deployment flexibility across trade lanes connecting Asia with the East and West Coasts of North America, South America, and the Mediterranean. 

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

“As Yang Ming transitions toward net-zero emissions, LNG provides a relatively mature and economically viable alternative fuel solution, capable of reducing greenhouse gas emissions by approximately 20%,” the company said. 

“At the same time, ammonia can serve as a carbon-free fuel by utilising converted LNG storage facilities, while offering relatively lower conversion costs and comparatively well-developed supply chains and infrastructure. The Ammonia Fuel Ready design will therefore provide Yang Ming with greater flexibility in responding to increasingly stringent international regulations on greenhouse gas emissions.”

In addition, the vessels will be equipped with Type B LNG fuel tanks with a design pressure of 1.0 bar to enhance the safety and efficiency of LNG operations, together with a range of energy-saving technologies, including Wind Shields, Rudder Bulbs, Pre-Swirl Stators, and Shore Power Systems. Smart ship technologies and cybersecurity protection features will also be incorporated to enhance operational efficiency, safety, and reliability while effectively reducing fuel consumption and greenhouse gas emissions.

Deliveries under Yang Ming’s next-generation fleet optimization plan commenced earlier this year. By 2030, a total of 24 new vessels are expected to enter service. 

This includes 18 LNG dual-fuel vessels—comprising five 15,500 TEU, seven 16,000 TEU, and the six 13,000 TEU vessels under this contract—alongside six 8,000 TEU methanol dual-fuel-ready ships. 

 

Photo credit: Yang Ming Marine Transport
Published: 4 September, 2026

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Alternative Fuels

LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Both secured AiP for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Lloyd’s Register (LR) and the Marine Design and Research Institute of China (MARIC) on Thursday (3 September) have secured Approval in Principle (AiP) for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

Announced at SMM 2026, the concept addresses one of the biggest investment challenges facing shipping today: the need to develop vessels and capabilities that can support a range of alternative fuel options and pathways as technologies, infrastructure and regulations evolve.

While LNG is already a mature fuel pathway, methanol and ammonia remain at an earlier stage of development, with questions around global fuel availability, infrastructure development, economics and long-term adoption.

The 114,000 DWT tanker concept has been designed as a product and crude oil carrier that can accommodate future conversion to LNG, methanol or ammonia as technologies, regulations and fuel supply chains mature. By incorporating conversion readiness at the design stage, the concept aims to reduce future retrofit complexity and provide owners with greater confidence when planning long-term fleet investments.

The design concept was reviewed against LR’s July 2026 class rules and regulations, including requirements relating to ships using gases and other low-flashpoint fuels, alongside relevant IACS Common Structural Rules for oil tankers. Final classification and statutory approval remain subject to full compliance with all applicable rules and regulations.

Theo Kourmpelis, Global Business Director for Tankers, Lloyd’s Register, said: “Shipowners are being asked to make major investment decisions today despite continued uncertainty around which fuels will dominate in the decades ahead. Alternative fuel solutions each offer potential pathways to compliance, but fuel infrastructure, regulation and economics continue to evolve at different speeds around the world.

“Designs that preserve flexibility will be critical in helping owners manage risk while preparing for multiple future scenarios.”

Si Nan, Marine & Offshore Marketing Department Vice Director, MARIC, said: “As the industry explores different decarbonisation pathways, shipowners need vessel designs that can adapt alongside technological and regulatory developments. This concept was developed specifically to provide greater fuel flexibility and long-term resilience, allowing owners to respond to changing market requirements without being locked into a single fuel strategy.

“Receiving Approval in Principle from Lloyd’s Register is an important milestone that validates the design concept and supports its future development.”

 

Photo credit: Lloyd’s Register
Published: 4 September, 2026

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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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