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Wärtsilä to supply hybrid propulsion system for world’s first methanol fuelled RoRo vessels

Ships are being built at the China Merchants Jinling shipyard (Weihai) for Stena RoRo and will operate in the Stena Line Irish Sea system once completed, says the technology group.

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Technology group Wärtsilä on Wednesday (13 September) said it will supply an integrated hybrid propulsion system for two new hybrid RoRo vessels. 

The ships are being built at the China Merchants Jinling shipyard (Weihai) Co., Ltd for the Swedish shipping company Stena RoRo. The ships will be the world’s first methanol fuelled hybrid RoRo vessels and will operate in the Stena Line Irish Sea system. 

The combination of new sustainable fuels and electrification is in line with the company’s sustainable operations target. Part of the order was booked by Wärtsilä in Q2 2023, while the remaining order was booked in Q3 2023.

Each vessel will be equipped with two Wärtsilä 32M multi-fuel engines capable now of operating on methanol fuel and with ammonia ready notation. 

Wärtsilä will also supply the MethanolPac fuel storage, supply and control system, the gearboxes, two controllable pitch propellers (CPP), three bow thrusters, the NACOS navigation system, three Wärtsilä 20 auxiliary engines, and the hybrid electric system consisting of shore power, batteries, shaft generators, converters, transformers as well as the Energy Management System making it all work together.

Each vessel will also benefit from the Wärtsilä Hybrid Solution, optimising the fuel consumption today and allowing for future full green operation. The vessels will also be equipped with Wärtsilä shore power solution enabling carbon-free operations when the vessels are in port.

“These vessels are a further development of our previous cargo ship concepts where the focus on sustainability and future-proofing with multi-fuel combustion engines are prioritised,” says Per Westling, Managing Director of Stena RoRo. “With the help of Wärtsilä’s advanced technology, we intend to have the greenest Ro-Ro vessels on the market.”

“We are proud to be supporting these innovative hybrid vessels with our methanol fuelled engines and electrification systems. Both Stena RoRo and Wärtsilä share the same commitment to decarbonising shipping operations, and these vessels represent a further step in this direction by being the first methanol hybrid ships in their class. Not only will the emissions be minimised, but they will also have the most efficient energy utilisation during operations,” commented Roger Holm, President of Wärtsilä’s Marine Power business.

The 147 metre long ships will have 2,800 lane metre capacity and will be able to accommodate a total of 37 passengers and crew. They are scheduled for delivery in June and November 2025. The Wärtsilä equipment will be delivered to the yard in 2024.

Wärtsilä said it has a strong relationship with Stena RoRo, and as early as 2015 Wärtsilä converted the Stena Germanica to operate on methanol fuel. 

The two companies are currently cooperating on a number of other Ro-Pax projects.

Photo credit: Wärtsilä
Published: 14 September, 2023

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Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 mt annually.

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Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Ship design and engineering service provider Western Baltic Engineering on Thursday (16 July) showcased its latest concept design for a green methanol bunkering vessel, developed for the operational needs of the Port of Klaipėda.

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 metric tonnes (mt) annually. 

“It is Western Baltic Engineering’s first concept dedicated exclusively to green methanol bunkering, expanding our portfolio of alternative-fuel vessel solutions,” the company said in a social media post.

“Building on our experience in methanol-ready vessel design, it reflects our continued focus on enabling the industry’s transition to cleaner fuels.”

“As the maritime sector evolves, engineering companies have a responsibility not only to respond to market needs but also to anticipate future challenges,” said Marius Arkusauskas, Director at Western Baltic Engineering.

“By exploring emerging technologies and alternative fuel applications, we help our partners prepare for the next generation of maritime operations while contributing to a more sustainable future.”

 

Photo credit: Western Baltic Engineering
Published: 20 July, 2026

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China launches methanol shipping supply chain alliance to accelerate green transition

Marine fuel suppliers in the alliance include Sinopec Fuel Oil Sales, China Marine Bunker (PetroChina), SIPG Energy (Shanghai), and Shenzhen Port Energy Development.

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China Waterborne Transport Research Institute under the Ministry of Transport and China Transport News recently jointly launched a Methanol Fuel Shipping Supply Chain Innovation Alliance with 20 organisations spanning the shipping, port, energy, equipment, research and industry association sectors.

The alliance was officially announced during the main event of China Maritime Day 2026 on 11 July, where members also released a joint initiative to develop a collaborative methanol-fuelled shipping supply chain.

The alliance aims to implement China’s national strategy for green economic transformation and support the Ministry of Transport’s “One Network, Four Modernisations” initiative by building a safe, efficient, economical and reliable methanol marine fuel supply chain

Under the joint initiative, alliance members pledged to align with China’s national decarbonisation strategy by promoting methanol as a key pathway for the shipping sector’s green transition and optimising the industry’s energy mix.

The members also pledged to strengthen collaboration across the supply chain to improve coordination between bunker fuel production, transportation and end users while advancing technological innovation.

Lastly, the alliance will support the development of policies, planning and technical standards, promote resource sharing and joint research, and accelerate the large-scale adoption of methanol as a marine fuel.

The alliance brings together companies and organisations representing the entire methanol shipping supply chain.

Members include shipping and port members such as China Changjiang National Shipping (Group) Corporation, COSCO Shipping Bulk Co., Ltd., Shandong Port Group, and Wuhan Chuangxin Jianghai Shipping Co., Ltd.

Energy companies in the alliance include Sinopec Chemical Commercial Holding Company Limited and Methanex Corporation.

Marine fuel suppliers including Sinopec Fuel Oil Sales, China Marine Bunker (PetroChina), SIPG Energy (Shanghai) Co Ltd and Shenzhen Port Energy Development Co Ltd are also part of the alliance. 

Equipment manufacturers in the alliance are CSSC 711th Research Institute, CSSC Power (Group) Corporation Ltd and Chongqing Hongjiang Machinery Co Ltd.

Research, media and industry organisations participating in the alliance include the China Waterborne Transport Research Institute, China Transport News, and the Methanol Institute.

The Methanol Institute said methanol is moving beyond individual projects towards coordinated action across the entire value chain. 

“And China continues to play a leading role in advancing methanol as a marine fuel,” it said in a social media post.  

“We’re proud to work alongside our fellow alliance members to help strengthen the methanol supply chain and support the continued growth of methanol as a marine fuel.”

 

Photo credit: David Yu from Pixabay
Published: 17 July, 2026

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MTF releases new safety guidelines for methanol-fuelled ships

Recognising that methanol as a marine fuel remains at an early stage of adoption, the guidelines place particular emphasis on risk-based decision-making, continuous improvement and organisational agility.

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The Maritime Technologies Forum (MTF) recently announced the publication of new guidelines to support companies in developing new Safety Management Systems (SMS) and strengthening existing SMS for ships using methanol as marine fuel.

As the maritime industry accelerates its decarbonisation efforts, low-carbon methanol has emerged as one of the most scalable alternative fuel options. 

Its liquid state under ambient conditions, compatibility with existing fuel infrastructure, and increasing industry adoption make methanol an attractive near-term solution. However, its toxicity, low flashpoint and invisible vapour and flame characteristics introduce new safety challenges for the maritime industry that require enhanced procedural controls and risk management measures for safe operations.

“Developed collaboratively by MTF members and industry stakeholders with expertise in methanol fuel technologies and the International Safety Management (ISM) Code, the guidelines provide methanol-specific recommendations across all functional areas of an SMS,” MTF said in a statement. 

Recognising that methanol as a marine fuel remains at an early stage of adoption, the guidelines place particular emphasis on risk-based decision-making, continuous improvement and organisational agility. 

The guidelines emphasised the importance of learning from hazardous occurrences, near-misses and accidents involving methanol fuel.

The report also highlighted the importance of developing versatile SMS frameworks capable of supporting mixed-fuel operations during the transition period, where both conventional fuels and methanol may be carried and used onboard.

Human factors are identified as a critical element in ensuring safe methanol operations. The guidelines recommend that companies assess competency, training, familiarisation and resource requirements based on individual roles and responsibilities.

By providing clear, practical recommendations aligned with the ISM Code, the new MTF guidelines aim to support the safe and effective adoption of methanol as fuel while enabling the maritime industry’s transition towards lower-carbon shipping.

Note: The new guidelines can be viewed here.

 

Photo credit: CHUTTERSNAP on Unsplash
Published: 17 July, 2026

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