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Wärtsilä to supply hybrid propulsion system with methanol engine for heavy lift newbuilds in China

System will feature a variable-speed Wärtsilä 32 main engine capable of operating with methanol bunker fuel; vessels will be the first methanol capable ships to employ a variable speed main engine.
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Technology group Wärtsilä on Tuesday (20 December) said it will supply its hybrid propulsion system with methanol engine for four new heavy lift vessels being built at the Wuhu Shipyard in China. 

Wärtsilä’s innovative hybrid system will minimise the ships’ CO2 emissions, thus supporting the marine sector’s decarbonisation ambitions. The system will feature a variable-speed Wärtsilä 32 main engine capable of operating with methanol bunker fuel. 

The vessels have been contracted by SAL Heavy Lift GmbH, a German heavy lift and project cargo specialist and part of the Harren Group, in cooperation with its joint-venture partner, Netherlands-based Jumbo Shipping. There is an option for an additional two vessels. The order was included in Wärtsilä’s order book in December 2022.

This will therefore make these ships among the first to be prepared to operate on methanol, a clean burning sulphur-free alternative to conventional fossil-based marine fuels. They will also be the first methanol capable ships to employ a variable speed main engine.

The hybrid system also includes Energy Storage, a PTO/PTI generator and motor, a multidrive converter, and the Wärtsilä Energy Management System for controlling and optimising the hybrid operations. The Energy Storage system will be based on Lithium-Titanium-Oxide (LTO) batteries, which can handle higher amounts of deep cycles than normal Lithium-Ion based systems. The ESS will significantly reduce the fuel consumption and/or the necessary size of the port’s electric shore connection during crane operations while also providing fuel savings at sea by reducing Engine Load fluctuations in rough seas.

For each vessel, Wärtsilä will also supply the gearbox, the controllable pitch propeller (CPP), the bow and stern thrusters, air shaft seals, as well as the sterntube and bearings.

“These ships represent the next generation in heavy lift shipping. In addition to their technical capabilities, they will feature outstanding environmental performance and help guide shipping towards a greener future,” says Dr Martin Harren, Owner and CEO of SAL Heavy Lift. “We are committed to decarbonising shipping activities, and we wish to thank Wärtsilä for their support and cooperation throughout this project.”

“We are proud to be able to support SAL with Wärtsilä’s market-leading integrated hybrid-mechanical propulsion system. This is a well-proven, future-proofing solution that enables owners and operators to lower operating costs while complying with current and anticipated environmental regulations,” says Matthias Becker, Managing Director of Wärtsilä Germany.

The ships are scheduled for delivery in 2025 and will be used mainly to support wind farm installations.

Wärtsilä is a market leader in hybrid solutions for shipping applications with installations on board more than 70 vessels, and an installed battery capacity in excess of 100 MWh. The company has a broad portfolio of fuel-flexible marine engines that offer sustainable alternatives as the industry journeys towards a decarbonised future.

 

Photo credit: Wärtsilä
Published: 22 December, 2022

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Biofuel

NYK to launch Japan’s first antioxidant for biodiesel bunker fuel in August

When added to biofuel, BioxiGuard slows progression of oxidative degradation and helps deter issues such as metal corrosion, strainer blockage, and cleaning-system fouling often triggered by oxidised fuel.
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May 22, 2025

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Japan’s first antioxidant by NYK for biodiesel bunker fuel set to release in August

Nippon Yuka Kogyo (Nippon Yuka), an NYK Group company specialising in chemical R&D as well as the manufacture and sale of chemical products, on Wednesday (21 May) announced the upcoming release of BioxiGuard, the Japan’s first antioxidant specially developed for marine biodiesel, from 10 August.

NYK said compared with conventional petroleum-based fuels, biofuel contains a higher proportion of unsaturated fatty acids, making it more susceptible to oxidative degradation. Once oxidised, the biofuel can produce acidic substances and sludge, adversely affecting vessel fuel efficiency by reducing the fuel’s calorific value.

Developed by Nippon Yuka based on property analyses of the biofuel used in NYK-operated vessels, BioxiGuard is specifically formulated to enhance the oxidation stability of biodiesel. When added to biofuel, BioxiGuard slows the progression of oxidative degradation and helps deter issues such as metal corrosion, strainer blockage, and cleaning-system fouling often triggered by oxidised fuel.

According to laboratory tests conducted by Nippon Yuka researchers, the addition of BioxiGuard at a concentration of 1 part per 500 resulted in an approximate 50% reduction in the rate of biofuel degradation compared to untreated biofuel. 

This significant improvement underscores the potential for vessel operators to not only extend the useful life of biofuel on board but also maintain more stable and cost-effective vessel operations.

 

Photo credit: NYK
Published: 22 May, 2025

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Newbuilding

Höegh Autoliners latest LNG dual-fuel PCTC en route to Shanghai for bunkering

The 9,100 CEU “Höegh Sunrise”, currently sailing the seas, is on its way to Shanghai for bunkering before sailing to Japan and then towards Europe.

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May 22, 2025

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Höegh Autoliners latest LNG dual-fuel PCTC en route to Shanghai for bunkering

Höegh Autoliners on Tuesday (20 May) said its latest liquefied natural gas (LNG) dual-fuel pure car and truck carrier has departed China Merchants Heavy Industry’s yard, ready to commence its commercial operations.

The 9,100 CEU Höegh Sunrise, currently sailing the seas, is on its way to Shanghai for bunkering before sailing to Japan and then towards Europe. 

The PCTC is the fifth in a series of 12 Aurora Class vessels built by the shipyard in China. The first eight Auroras are or will be equipped with engines primed to run on LNG and low-sulphur oil. 

These vessels can be converted to run on ammonia later. By 2027, Höegh Autoliners said the four last vessels of the series will be able to run net zero on ammonia directly from the yard when delivered.

Manifold Times previously reported the naming ceremony of Höegh Autoliner’s fourth Aurora Class newbuild, Höegh Sunlight, at Taicang Haitong Auto Terminal.

Related: Höegh Autoliners names LNG-powered RoRo ship “Höegh Sunlight” in China|
Related: Gasum completes SIMOPS LNG bunkering operation of PCTC “Höegh Sunlight”

 

Photo credit: Höegh Autoliners
Published: 22 May, 2025

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Alternative Fuels

UECC: Liquefied biomethane bunker fuel to enable compliance surplus under FuelEU

Company says bunkering liquefied biomethane will give it a significant compliance surplus under FuelEU that can be monetised through the regulation’s pooling mechanism.
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May 22, 2025

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UECC: Liquefied biomethane bunker fuel to enable compliance surplus under FuelEU

United European Car Carriers (UECC) on Monday (19 May) said bunkering liquefied biomethane (LBM), also known as bio-LNG, will give it a significant compliance surplus under FuelEU that can be monetised through the regulation’s pooling mechanism.

UECC’s Senior Manager of Business Planning & Sustainability, Masanori Nagashima, said bio-LNG is now seen by the company as the key fuel to achieve its target of a 45% reduction in carbon intensity by 2030 versus a 2014 baseline and net zero by 2040 – ahead of the 2050 deadline set by both the IMO and EU.

The marine fuel is being bunkered on UECC’s dual and multi-fuel LNG PCTCs – three of which have battery hybrid capability – under Sail for Change that was launched by UECC last year and currently has participation by automotive giants including Toyota, Ford and JLR. 

The company also has on order two multi-fuel LNG battery hybrid newbuild PCTCs due for delivery in 2028 that could be enlisted into the programme. 

The overall carbon intensity of the UECC fleet, using the same gCO2e/MJ (grams of CO2 equivalent per megajoule) metric as FuelEU, is calculated at 68 gCO2e/MJ to achieve an interim target of a 25% carbon intensity reduction in 2025, though the company is expected to achieve 57 gCO2e/MJ this year based on its supply plan, according to Nagashima.

This is significantly below the current FuelEU threshold of 89.3 gCO2e/MJ – a 2% reduction from the baseline of 91.16 gCO2e/MJ – and still lower than the threshold of 77.9 gCO2e/MJ from 2035 that is a 14.5% reduction versus the baseline figure.

“The low carbon intensity of our fleet means all of our vessels are expected to gain a C rating or above with the IMO’s Carbon Intensity Indicator (CII)” Nagashima explained.

“It also gives us a significant compliance surplus under FuelEU that can be monetised through the regulation’s pooling mechanism, allowing a great commercial opportunity to offset regulatory costs for customers and eliminate FuelEU surcharges.”

“UECC will continue to accelerate its progress in improving decarbonisation of its fleet by further optimising our fuel mix strategy going forward to incorporate more high-impact fuels as these become viable.”

 

Photo credit: Titan Clean Fuels
Published: 22 May, 2025

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