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CSA 2020: Scrubbers removing sulphur emissions ‘beyond legislation’

Members of CSA and shipowner panel share their experience with operating and maintaining scrubbers post IMO 2020.

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Clean Shipping Alliance panel

Members of the Clean Shipping Alliance (CSA) 2020 in February reported on the installation and performance of their respective exhaust gas cleaning systems during a technical seminar held in London. 

A shipowner panel comprising of Grimaldi Group, Genco Shipping and Trading, and Spliethoff informed delegates that, despite initial installation problems, there had been little by way of mechanical breakdown, corrosion or non-compliant operation during scrubber operations. 

All panel members said that their EGCS installations were removing substantially more sulphur emissions than the 0.50% required to comply with the global sulphur cap.

“We have not had any major problems; we don’t see any corrosion issues or any breakdown issues,” said Arne Hubregtse, technical director and a member of the Spliethoff executive board.

“We are satisfied with our decision to install scrubbers and we look forward to operating these systems for a long time. From an environmental perspective, if you look at the total picture, scrubbers are still the best intermediate solution we have until a zero-emission propulsion solution is found.”

Italy’s Grimaldi Group, which operates about 100 EGCS-fitted vessels, reported similar success.

“The company has fitted the technology to about 70% of its fleet, with installations capable of reducing sulphur emissions down to 0.10%,” said Dario Bocchetti, head of Grimaldi’s corporate energy saving and innovation department.

Bocchetti explained the decision to install the system was to “go beyond the legislation”. Grimaldi Group’s scrubber installations are achieving about 90% up-time.

Genco Shipping and Trading, which has installed open-loop EGCS to 17 Capesize bulkers, the most recent of which entered service in January, experienced similar success and highlights proper planning and maintenance as key..

“We’ve had no breakdowns. But a lot of that is due to good planning, planning for performance,” explained Capt. Robert Hughes, chief operating officer at Genco.

“You must do the mental heavy lifting ahead of time, choose the right supplier, and identify where there could be some limitations and vulnerability. We haven’t experienced any issues.”

Hughes also emphasised the importance of preventative maintenance and told delegates that Genco has elected to use an extra engineer onboard as a risk mitigation tool.

“We operate in a saltwater environment and things do rust out. If you’re working on anything in the marine environment, it will break down, so you need to have a plan of action in place as you would with any system,” advised Hugh.

“Ultimately the goal here is investing in a well-trained crew united in their focus on cleaner emissions.”

With exhaust gas cleaning systems weighing between 10t and 100t and taking up additional space, ship stability and cargo capacity must be carefully assessed. 

However, the panellists advised that only in limited cases, say on some smaller vessels, alternative emissions reducing technology may be the better option.

Bocchetti suggested that there can be some cargo capacity loss, but any losses would be significantly more with an LNG retrofit. He said that retrofitting scrubbers has almost always been possible for about 90% of the company’s vessels.

Spliethoff, which has a variety of ro-ro, multipurpose vessels, and heavy lift vessels fitted out with EGCS has, in some cases sacrificed a fuel tank to create more space for installation.

“Apart from a minor deadweight reduction we do not see any impact on cargo capability,” said Hubregtse.

The panellists went on to explain how Port State Control authorities are policing the IMO2020 requirement, following its entry-into-force in January.

“They are keen to come on board and have a tour of the system,” said Hughes. 

“They are very keen to understand the different systems and technologies out there and see how they work. They are interested in seeing how it’s done in China, in Singapore, in Australia, the Americas.”

“It’s all part of [the IMO2020] journey. That one vision. That one focus on improving global air quality.”

“So, although some ports may have restrictions about using open loop scrubbers, it is important that we demonstrate what’s going on, demonstrate how the technology works, and explain the science behind it. It is important to communicate that as a community.”


Photo credit: Clean Shipping Alliance
Date: 3 March, 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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