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ABS study: Shipping cannot afford to ignore vast potential offered by nuclear propulsion

Study carried out by Herbert Engineering for ABS finds adoption of advanced nuclear reactors onboard a boxship would eliminate the need for refuelling of it during its entire 25-year lifespan.

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Classification society American Bureau of Shipping (ABS) on Monday (24 July) said together with Herbert Engineering Corp. (HEC), they have modelled modern nuclear propulsion systems on a 14,000 TEU container vessel and a 157k DWT Suezmax tanker in a study. 

ABS commissioned HEC to carry out the study to explore the potential of advanced modern reactor technology for commercial marine propulsion. The study was designed to help industry better understand the feasibility and safety implications of nuclear propulsion and to support future development projects.

“The study, which involved input from leading nuclear reactor developers, modelled the impact of two, lead-cooled, 30MW fast reactors on the container carrier, found it would likely increase cargo capacity and operational speed, while eliminating the need for refuelling during its entire 25-year lifespan,” ABS said in a statement. 

ABS study: Shipping cannot afford to ignore vast potential offered by nuclear propulsion

On the Suezmax vessel, the study found the addition of four, 5MW, heat-pipe microreactors, while decreasing cargo capacity, would raise operational speeds and only require refueling once during its 25-year life. Both concept vessels would emit zero CO2.

Christopher J. Wiernicki, ABS Chairman and CEO, said: “Our findings from this latest cutting-edge research underscore why the industry cannot afford to ignore the vast potential offered by nuclear propulsion both in terms of emissions reduction and operational efficiency.”

“A net-zero world is more easily realised through nuclear propulsion, and we are putting in place the foundations for that future today. Turning this into a practical reality will require significant public sector support and ABS is well placed to bring governments and industry together.”

“Advanced or small modular reactors address many of the issues traditionally associated with nuclear for commercial maritime use, with enhanced safety and efficiency, reduced cost and waste and proliferation prevention. Nevertheless, many questions need to be answered and it is critical that industry evaluate these technologies with a laser focus on safety.”

Robert Tagg, Senior Principal Naval Architect at HEC, said: “HEC is pleased to be able to support ABS and explore the practical application of nuclear power on board. This study is helping us to understand in detail both the potential of modern reactor technology and how this will affect the design and operation of future vessels.”

Manifold Times previously reported the U.S. Department of Energy (DOE) awarding ABS a contract to research barriers to the adoption of advanced nuclear propulsion on commercial vessels. 

The DOE has also contracted ABS to support research into thermal-electric integration of a nuclear propulsion system on a commercial vessel being carried out by the University of Texas.

Related: U.S. government awards ABS with contract to study advanced nuclear propulsion for ships

Photo credit: American Bureau of Shipping
Published: 27 July, 2023

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LNG Bunkering

PIL’s LNG dual-fuel boxship “Kota Elok” arrives in Singapore on maiden call

As the first of 13 new 13,000 TEU vessels joining its fleet, Kota Elok is equipped to operate on LNG and low-sulphur fuel oil that helps reduce our greenhouse gas emissions.

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PIL's LNG dual-fuel boxship “Kota Elok” arrives in Singapore on maiden call

Singapore-based Pacific International Lines Pte Ltd on Monday (20 July) said its first 13,000 TEU LNG dual-fuel container vessel, Kota Elok, recently made her maiden call to Singapore on 15 July.

As the first of 13 new 13,000 TEU vessels joining its fleet, Kota Elok is equipped to operate on liquefied natural gas (LNG) and low-sulphur fuel oil that helps reduce our greenhouse gas emissions. 

The vessel also incorporated energy-saving features and digital technologies to reduce fuel consumption and enhance operational performance, as well as a bow windshield to improve aerodynamics, contributing to improved fuel efficiency and lower emissions over the course of long-haul voyages.

“Following Singapore, Kota Elok will continue her voyage on our East Coast Service 1 (ES1) route to South America, calling at ports in Brazil, Uruguay, and Argentina before returning to Asia,” the company said in a social media post. 

Kota Elok also became PIL’s first vessel to receive Lloyd’s Register certification for compliance with the IACS UR E26 and UR E27 cyber security requirements.

Developed by the International Association of Classification Societies (IACS), UR E26 and UR E27 are mandatory cyber resilience requirements for newbuild vessels contracted from 1 July 2024. 

 

Photo credit: Pacific International Lines
Published: 21 July, 2026

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LNG Bunkering

CIMC SOE secures order for 12,000-cbm LNG bunkering vessel from Sinopec Clean Energy

Once operational, the vessel is expected to strengthen Sinopec’s domestic coastal LNG bunkering network and help address gaps in China’s alternative fuel bunkering infrastructure.

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CIMC SOE secures order for 12,000-cbm LNG bunkering vessel from Sinopec Clean Energy

China’s Nantong CIMC Sinopacific Offshore & Engineering Co., Ltd. (CIMC SOE) recently signed a contract with Sinopec (Beijing) Clean Energy Co., Ltd. to build a 12,000-cubic metre (m3) LNG bunkering vessel, according to Chinese maritime media.

The vessel is scheduled for delivery in 2028 and will support Sinopec’s efforts to expand its presence in the marine clean energy sector.

Once operational, the vessel is expected to strengthen Sinopec’s domestic coastal LNG bunkering network and help address gaps in China’s LNG bunkering infrastructure.

With this signing , CIMC Pacific Offshore Engineering’s LNG bunkering vessel orderbook is further strengthened, maintaining its leading position in the global market for small and medium-sized LNG bunkering vessels.

The contract also marked another milestone for CIMC SOE, which has seen a sharp increase in orders and business performance this year amid a surge in domestic LNG vessel demand.

 

Photo credit: Nantong CIMC Sinopacific Offshore & Engineering
Published: 21 July, 2026

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Nuclear

ABS awards AiP to Korean institute for SMR-powered container ship concept design

KRISO says AiP recognises the technical feasibility and safety of its concept design, marking an important milestone toward the development of next-generation nuclear-powered commercial ships.

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ABS awards AiP to Korean institute for SMR-powered container ship concept design

Korea Research Institute of Ships & Ocean Engineering (KRISO) on Thursday (16 July) received Approval in Principle (AiP) from the American Bureau of Shipping (ABS) for its concept design of a 15,000 TEU Small Modular Reactor (SMR)-powered container ship utilising Molten Salt Reactor (MSR) technology.

KRISO said the AiP recognises the technical feasibility and safety of its concept design, marking an important milestone toward the development of next-generation nuclear-powered commercial ships.

“This achievement demonstrates international recognition of KRISO’s technological capabilities in the rapidly evolving field of nuclear-powered shipping, supporting the transition toward low-carbon maritime transport,” it said. 

Building on this milestone, KRISO will continue advancing basic and detailed ship design, paving the way for future demonstration and commercialisation of SMR-powered vessels. 

Through continued R&D and international collaboration, KRISO remains committed to strengthening next-generation maritime technologies and contributing to the safe deployment of nuclear propulsion in the maritime industry.

 

Photo credit: Korea Research Institute of Ships & Ocean Engineering
Published: 21 July, 2026

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