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Green Ray project to develop solutions minimising methane slip from LNG-fuelled engines

Project involves Chantiers de l’Atlantique, CMA CGA, DNV GL, Finnish Meteorological Institute, MSC Cruises Management, Revolve Water and Shell.

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A consortium including technology group Wärtsilä has secured European Union funding to develop solutions minimising methane slip from marine engines, advancing the environmental and climate benefits of LNG as a bunker fuel.

Coordinated by VTT Technical Research Centre of Finland, the Green Ray project brings together several companies from across the shipping value chain: shipyard Chantiers de l’Atlantique, ship owner CMA CGA, classification society DNV GL, the Finnish Meteorological Institute, ship manager MSC Cruises Management, non-profit organisation Revolve Water and energy major Shell.

The project will develop on-engine technologies for low-pressure dual-fuel engines – both 2- and 4-stroke – as well as a novel aftertreatment concept. These solutions will be advanced to a high state of technology readiness, including demonstrators installed on two newbuilds and one retrofitted to an existing vessel. All the technologies developed in Green Ray will also be fully capable to utilize bio- or synthetic methane instead of fossil LNG.

Wärtsilä will develop technology specifically for low pressure 4-stroke dual fuel engines that enables methane slip reduction, increases efficiency and lower operational costs at all engine loads. This technology targets the largest four-stroke engines on the market as widely used by cruise ships, ferries and gas carriers.

Wärtsilä will also develop an on-engine technology for 2-stroke engines around a patented LNG injection system to reduce methane slip from tankers, container ships, etc. Both technologies will be demonstrated at sea in real application during the project in collaboration with the Green Ray partners.

The use of LNG as a marine fuel is accelerating, driven by a well-developed supply infrastructure, a clear transition to cleaner fuels and significant air pollution and climate benefits. The issue of methane slip – unutilized and thus unburned fuel escaping into the atmosphere from engines and across the production and supply chain – is seen as one of the main challenges to wider uptake.

“Methane slip has become an important factor in ship owners’ decisions about whether to use LNG fuel,” said Kati Lehtoranta, Principal Scientist, VTT. “With these promising technologies we aim to reduce the slip contributing directly to reduction of the total greenhouse gas emissions, opening this pathway to even wider segment of the maritime market.”

Shell has developed a proprietary methane abatement catalyst system that has been lab tested and scaled up to a field demonstration, where it was proven to be effective not only in significantly reducing methane slip (over 90%), but also in handling typical compounds that can degrade the catalyst, via the inclusion of a guard bed.

“Shell’s climate ambition to become a net-zero emissions energy business by 2050 will require us to explore a range of avenues that have the potential to help us, our partners, and customers to decarbonise the existing LNG value chain. We are continuously working to improve the value proposition of LNG through dedicated technology research, and we are keen to develop potential solutions to minimise methane slip at such a relevant project as Green Ray,” explains Alexander Boekhorst, VP Gas Processing and Conversion Technology at Shell.

“This research will allow us to build on the continuous improvements made in reducing methane slip from engines over the past twenty years,” said Sebastiaan Bleuanus, General Manager, Research Coordination & Funding, Wärtsilä Marine Power. “Taking these solutions for newbuilds and retrofits to near commercial readiness will be an important step for the long-term viability of LNG as a marine fuel.”

The project has received funding of around €7 million from Horizon Europe. It will run until 2027.

 

Photo credit: Cameron Venti from Unsplash

Published: 1 March

 

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LNG Bunkering

Malaysia: Port of Tanjung Pelepas achieves milestone with first SIMOPS LNG bunkering op

LNG bunker vessel “MT Paolina Cosulich” refuelled LNG dual-fuel container ship “Bangkok Express”, operated by Hapag-Lloyd AG at the port.

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Malaysia: Port of Tanjung Pelepas achieves milestone with first SIMOPS LNG bunkering op

Port of Tanjung Pelepas (PTP) on Sunday (16 February) said it successfully conducted its first Simultaneous Operations (SIMOPS) of liquefied natural gas (LNG) bunkering.

This significant achievement involved the LNG dual-fuel container ship Bangkok Express, operated by Hapag-Lloyd AG, and the LNG bunker vessel MT Paolina Cosulich.

“This milestone underscores PTP's dedication to enhancing our competitive edge in the global market by facilitating clean and efficient maritime operations,” the port said in a social media post.

“We are proud to have partnered with PETCO Trading Labuan Co., Ltd. (PTLCL) and Hapag-Lloyd on this pioneering initiative.”

Manifold Times previously reported the port also achieving its first LNG bunkering operation last year. 

The port completed its first-ever ship-to-containership methanol bunkering operation in November last year. 

Manifold Times previously reported the port achieving its first LNG bunkering operation last year. 

Related: Malaysia: Port of Tanjung Pelepas achieves milestone with first methanol bunkering op
Related: Malaysia: Port of Tanjung Pelepas completes first LNG bunkering operation
Related: Malaysia: Tanjung Pelepas selected to join P41 initiative to achieve green bunkering hub ambition
Related: Port Of Tanjung Pelepas joins G2G decarbonisation scheme between Malaysia and Australia

 

Photo credit: Port of Tanjung Pelepas
Published: 18 February, 2025

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LNG Bunkering

Kunlun Energy wraps up first STS offshore LNG bunkering operation in Hong Kong

Kunlun Energy, a red-chip controlled by PetroChina, said its bunkering vessel refuelled container ship “Zim Haifa Blue Stone” with 2,200 metric tonnes of LNG bunker fuel in a seven-hour operation.

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Kunlun Energy wraps up first STS offshore LNG bunkering op in Hong Kong

Kunlun Energy, a red-chip controlled by PetroChina, on Monday (17 February) said it completed Hong Kong’s first ship-to-ship (STS) offshore liquefied natural gas (LNG) bunkering operation on 14 February. 

Kunlun Energy's 8,300 m3 capacity LNG bunkering vessel refuelled the container ship Zim Haifa Blue Stone with 2,200 metric tonnes (mt) of LNG in a seven-hour operation. 

The bunkering vessel involved in the operation is operated by a Kunlun Energy subsidiary. 

According to a PetroChina official, the receiving vessel Zim Haifa Blue Stone departed from Busan, South Korea, on 3 February and passed through Qingdao, Shanghai, and Ningbo before arriving in Hong Kong on 12 February. 

Its final destination is Istanbul, Turkey. This refuelling operation can meet the ship's fuel needs for the entire journey. 

“The successful implementation of this "ship-to-ship" offshore LNG bunkering operation is another example of Kunlun Energy's efforts to help improve the international shipping hub of the Guangdong-Hong Kong-Macao Greater Bay Area,” Kunlun Energy said. 

“It is expected to attract more green-fuel vessels to pass through Hong Kong, encourage more environmentally friendly companies to conduct business in Hong Kong, accelerate transformation and technological innovation in the shipping industry, and promote the construction of Hong Kong as a green and smart port.”

“This operation holds significant importance for Hong Kong's push toward a green and sustainable shipping industry.”

 

Photo credit: Kunlun Energy
Published: 18 February, 2025

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Biofuel

Wallenius Wilhelmsen successfully completes its first biofuel bunkering trial in Japan

“M/V Tamesis” bunkered 400 metric tonnes of B24 VLSFO blended biofuel, supplied by Mitsubishi Corporation Energy at Port of Yokohama.

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Wallenius Wilhelmsen successfully completes its first biofuel bunkering trial in Japan

Wallenius Wilhelmsen on Monday (17 February) said it has successfully completed its first biofuel bunkering trial at the Port of Yokohama in Japan.

M/V Tamesis bunkered 400 metric tonnes (mt) of B24 VLSFO blended biofuel, supplied by Mitsubishi Corporation Energy. 

This milestone is part of Wallenius Wilhelmsen’s ongoing efforts to reduce its environmental impact and promote sustainability in shipping.

“As part of our commitment to reducing greenhouse gas emissions, we have expanded our locations for biofuel supply. Since 2023, the expansion has included key ports in Belgium, Korea and Singapore,” the company said.

“Expanding to Japan enhances our ability to operate more efficiently and sustainably across our global network.”

Wallenius Wilhelmsen has set ambitious emission reduction targets to reach net-zero by 2040. This includes a 40% absolute reduction of well-to-wake greenhouse gas emissions by 2030 compared to our 2022 baseline, as approved by the Science Based Targets initiative.

Yasuyuki Sakurai, Senior Manager, the Orcelle Accelerator taskforce at Wallenius Wilhelmsen, said: “Achieving these targets require a major shift in energy sources from conventional fuels to low and zero-carbon alternatives. Expanding supply locations and securing sufficient biofuels remain a priority, and we are pleased to have conducted our first B24 VLSFO blended biofuel bunkering trial in Yokohama.”

“While our Reduced Carbon Service customers fully support our mass-balance concept, ensuring sufficient biofuel usage across our entire fleet and trade lanes is key to achieving our long-term sustainability goals.”

Mitsuo Ueda, General Manager of Mitsubishi Corporation Energy, said: “In anticipation of growing demand for biofuel in the marine sector, we have begun storing biofuel at our oil terminal in Onahama (Fukushima Prefecture) and supplying B24 in Tokyo Bay using our barges.:

“We deeply admire Wallenius Wilhelmsen’s leadership in the decarbonisation of the shipping industry and remain committed to playing our part in creating a more sustainable future. We will continue striving to meet industry needs through a stable supply of biofuels and contribute to the realisation of a carbon-neutral society.”

This milestone was achieved through close collaboration between Wallenius Wilhelmsen’s Energy Sourcing team and the Orcelle Accelerator taskforce, which has worked for the past two years to establish biofuel bunkering capabilities in Japan.

 

Photo credit: Wallenius Wilhelmsen
Published: 18 February, 2025

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