Norway-based shipbuilder VARD on Friday (3 January) said it has partnered with the Norwegian University of Science and Technology in Ålesund, Norway and other key stakeholders in the NuProShip I project, which explores nuclear propulsion for the maritime sector. 

NuProShip, short for "Nuclear Propulsion in Shipping," will evaluate fourth-generation nuclear reactor technologies for their viability in commercial shipping applications.

In this project, an extensive assessment of 99 companies developing advanced reactor technologies led to the selection of three promising reactor types:

• Kairos Power (USA): Fluoride high-temperature molten salt reactor using Tri-structural Isotropic (TRISO) fuel particles, designed for robust and efficient operation.
• Ultrasafe (USA): Helium-cooled gas reactor, also employing TRISO fuel particles, known for their resilience and safety in extreme conditions.
• Blykalla (Sweden): Lead-cooled reactor concept utilizing uranium oxide as fuel, offering high efficiency with advanced cooling mechanisms.

VARD said TRISO fuel particles, noted for their durability and containment properties, play a crucial role in two of these reactor types. 

“TRISO technology in fact, is renowned as one of the most resilient nuclear fuel types available today,” it added.

Alongside VARD, the NuProShip project is supported by other partners, including DNV, the Norwegian Maritime Administration, ship owner Knutsen Tankers, and the Spanish nuclear consultancy IDOM. 

VARD’s primary contribution involves integrating these reactor systems into various vessel types, assessing the technical challenges to enable the future commercial use of nuclear-powered ships.

Photo credit: VARD
Published: 10 January, 2025

Shipowners continued to invest for a future of lower emissions in 2024, with 600 vessels capable of using alternative fuels ordered until 13 December, according to classification society Lloyd’s Register (LR) on Thursday (2 January). 

The new orders grew the total orderbook by more than 50%, to 1,737 vessels.

The in-service alternative-fuelled fleet also grew strongly, up 18% to 1,860 vessels. Combined with current orders, the fleet will stand at 3,597 – around 4.8% of all vessels in service and on order. 

But with the IMO’s 2030 target on zero and near-zero emission energy use crossing the five-year horizon, orders will need to accelerate further to meet the required 5-10% of shipping’s energy consumption.

“These numbers show the significant effort the industry is making to reach net-zero emissions,” said James Frew, Business Advisory Director, at LR. 

“As the maritime transition towards decarbonisation advances, the next steps will require greater alignment between industry ambitions, regulatory measures and, crucially, incentives to rapidly grow global production capacity for the alternative fuels shipping will need.” 

Methanol-fuelled vessels led the way amongst new fuels, with 119 orders adding more than a third to the existing orderbook. In early 2024 LR, which classed the very first methanol conversion in 2015 – the ro-pax Stena Germanica – was appointed to support and class Stena Line’s next two fast ferry conversions. 

It also teamed up with Danish alternative fuel specialist Green Marine to deliver training and consultancy around methanol fuel, helping to deliver the skills needed to make alternative-fuelled vessel operation a reality.

Ammonia-fuelled vessel orders more than doubled compared to the previous year, to 22 vessels. In 2025 the first ammonia-fuelled marine engines will be delivered, with a further surge in orders likely as the industry gains experience with the carbon-free fuel. 

As illustrated in LR’s Fuel For Thought report on ammonia published in March 2024, securing the safety of ammonia-fuelled ships through design, training and regulation will be crucial to maximise any opportunity for decarbonisation.

Hydrogen fuel also consolidated its appeal within relevant vessel segments, with orders for 12 more vessels in 2024. Two hydrogen-powered passenger ferries ordered by Norwegian transport company Torghatten Nord are set for LR class, while a memorandum of understanding with H2Terminals, HiDROGEN and D3IM was signed to assess the feasibility of a green hydrogen infrastructure project in the UK. LR also granted AiPs for several new hydrogen vessels, including ferries and tugboats.

Related: LR: Safety and supply crucial for widespread adoption of ammonia bunker fuel
Related: LR report sees surge in methanol engine retrofits in 2023, calls it a ‘defining trend’

Photo credit: william william on Unsplash
Published: 3 January, 2025

The Port of Long Beach (PLB) in late December released the Clean Marine Fuels White Paper as part of efforts to identify solutions capable of reducing emissions from ships.

“To understand the opportunities and challenges related to the adoption of clean marine fuels, the Port of Long Beach hired ICF Consulting to develop this white paper as an educational resource and guidance document,” stated PLB

“This document is also intended to prepare and position the port and its stakeholder for adopting low carbon alternative fuels.

“The white paper provides high level information on the array of currently available low carbon marine fuels, along with an exploration of the potential infrastructure needs for their deployment.”

The document covers the use of different types of clean bunker fuels such as green hydrogen, green methanol, green ammonia, renewable LNG and biofuels for shipping.

“The shift to clean marine fuels is no longer optional but a necessity for the sustainability of the maritime industry,” stated PLB in its closing remarks.

“This transition, while presenting challenges such as high costs, limited fuel availability, and the need for extensive infrastructure development, is advancing due to evolving policy frameworks and growing industry commitment.

“Addressing these obstacles will require targeted initiatives and robust collaboration between public and private sectors. Continued policy support, government funding, and sustained industry commitment will be essential to driving this progress and ensuring the long-term sustainability of maritime operations.”

Editor’s note: The 123-page Clean Marine Fuels White Paper may be downloaded from the hyperlink here.

Photo credit: Clean Marine Fuels White Paper
Published: 26 December 2024