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Pacific Green Technology contests claims on declining scrubber demand

Scrubber technology firm explains why 2020 will see a second wave in scrubber orders when shippers seek solutions to the ‘headaches’ of compliant fuel.

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Scrubber technology firm Pacific Green Technologies (PGT) on Friday (31 January) published the following article outlining reasons why 2020 will experience a second wave of scrubber orders:

It’s January 2020 and the votes are in. By now, every ship owner has made a decision about complying with the IMO’s new 0.5% sulphur fuel limit that took effect on 1 January 2020.

By the end of 2019, approximately 14% of the world’s fleet had been fitted with scrubbers. By the end of 2020 that figure is expected to be 19%.

Some believe that will be the end of a steep demand curve for exhaust gas cleaning systems as supply and demand of LSFO stabilises.

Not so.

Though scrubber orders for IMO 2020 compliance are likely to start slowing at some point in the new year, they will be matched by a new wave of orders by shipowners looking for solutions to the headaches of low sulphur fuel.

Not as easy as it seems

Though a small number of shipowners have opted for LNG-propulsion as their IMO 2020 compliance solution, most of the world’s fleet have opted to switch to low sulphur fuel oil (LSFO).

This may sound like a simple transition, but there are many hidden challenges.

Most of the debate around this choice has focused on the anticipated price differentials of HSFO and LSFO, acknowledging that LSFO will probably make for much more expensive shipping in the short to medium term.

However, insufficient attention seems to have been paid to the inherent operational and engineering risks of switching to LSFO.

This is especially true of shipowners who left their compliance decisions as late as possible. By making a call late in the game they are potentially unprepared for the technical difficulties of suddenly running a ship on a different fuel.

Switching from HSFO to LSFO requires shipowners and operators to plan for several potential issues:

Viscosity and lubricity

HSFO and LSFO differ significantly in terms of viscosity, with residual fuel and MGO, for example, exhibiting a density difference of approximately 8%.

HSFO-capable engine equipment generally requires a relatively high fuel viscosity, 10-20 centistokes (cSt). Low sulphur distillate fuels have a much lower viscosity, usually within 2-11 cSt.

If viscosity is too low, the moving components of the injection equipment will lack sufficient lubrication. The resulting damage could include fuel pump seizures and increased leakage in fuel pumps, engine-mounted pumps, and fuel handling pumps.

Viscosity and lubricity are closely connected. Sulphur is used to increase the lubricity of fuel; low sulphur fuels could provide ship’s engines with insufficient lubrication for components such as the pump plunger.

However, as engine manufacturers MAN point out, the opposite problem is also a risk: compensating with over-lubrication is a regular and damaging occurrence.

Cylinder lubrication-acidity

The alkalinity of cylinder oils usually neutralises harmfully corrosive sulphur in ships’ fuel.

However, when a fuel’s sulphur content decreases, it produces less acidic sulphur. This can lead to a relative increase in the alkalinity of the cylinder lubricant and excessive engine wear or even damage.

Steps can be taken to mitigate this risk, but for shipowners moving over to LSFO it is one of many considerations to be managed.

Cat fines

Catalytic (cat) fines have been a problem in marine engines ever since they were used to extract a higher yield of distillate fuels from feedstock.

These hard ceramic compounds often end up in low sulphur fuel oils and cause damage to engine components, especially cylinder liners and piston rings.

Under the IMO’s new sulphur regulations, increased use of LSFO and a potentially greater variance in local fuel blends means cat fines could become a more serious problem than ever anticipated.

As with cylinder lubrication-acidity, shipowners can take steps to reduce the potential for cat fine-related wear and tear, but this relies on effective planning and good onboard maintenance.

However, data suggests that crews are already failing to take the necessary steps to prevent cat fine damage. Shipowners relying on LSFO from 2020 and beyond cannot reasonably expect this problem to simply go away.

Cat fines in marine fuel may not exceed 60 parts per million (ppm). However, according to Alfa Laval, this limit is fundamentally a compromise – if it were set any lower, global supply of bunker oils could no longer be secured.

Even at 60 ppm, cat fines pose a major problem for engines. Manufacturers, such as MAN and Wärtsilä, recommend that fuel entering the engines should have cat fine concentrations of 15 ppm or lower.

Shipowners switching from HSFO to LSFO in 2020 can expect ongoing issues with cat fines unless they are able to maintain strict and consistent operational controls, which is itself a perennial challenge.

Incompatibility

Sufficient supply of compliant fuels after IMO 2020 has been a lingering concern for some time. These fears have been partly allayed by various suppliers promising to produce low sulphur fuels from a broad range of sources and methods.

Unfortunately, though, these fuels will not necessarily be compatible with each other. And inadvertently mixing fuels could be disastrous.

Beyond these dangers, there is also an economic risk to shipowners who may struggle to secure a predictable supply of compatible fuel across multiple global ports.

Fuel incompatibility could be one of the most significant issues to come back and bite owners who have chosen to rely on LSFO for regulatory compliance.

Scrubbers: more than compliance

While scrubbers have seen an unprecedented surge in demand over the last 18 months due to their benefits in IMO 2020 compliance, the next 18 months are likely to highlight their many other benefits.

These include better operational efficiency and reliability, as well as ongoing cost-saving advantages.

It is for these reasons that MAN engineers insist that scrubbers are the better engineering solution.

They offer shipowners full fuel flexibility and eliminate concerns of new blended fuel qualities and compatibility issues. And, rather than impacting the inner workings of ships’ engines, scrubbers can be fitted or retrofitted to almost any engine.

Over time the industry may be surprised to find that the second wave of scrubber demand will not be based on the need to comply with IMO 2020.

It will happen because scrubbers make more economic, mechanical and operational sense, especially to shipowners who can no longer justify the downtime and engine trouble associated with low sulphur fuel oils.


Source
: Pacific Green Technologies
Published: 5 February, 2020

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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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