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ICCT: Methane slip must be eliminated for renewable LNG bunker fuel to be a feasible solution for shipping

Methane slip from marine engines needs to be virtually eliminated and methane leaks upstream need to be greatly reduced for renewable LNG to contribute in achieving climate goals, says report.

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An International Council on Clean Transportation (ICCT) report published on Wednesday (14 September) investigated several assumptions regarding liquefied natural gas (LNG) to help mitigate climate impacts of the maritime shipping sector. 

The report titled Comparing the future demand for, supply of, and life-cycle emissions from bio, synthetic and fossil LNG marine fuels in the European Union was written by authors Bryan Comer, PhD, Jane O’Malley, Liudmila Osipova, PhD, and Nikita Pavlenko. 

The report focused on ships trading with the European Union. It predicted a tripling of demand for LNG as marine fuel between 2019 and 2030, based on trends in fuel consumption. 

It also estimated that renewable LNG will cost seven times more than fossil LNG in 2030 and, therefore, subsidies or other policies would be needed to encourage its use.

The study said the idea that LNG can help mitigate the climate impacts of the maritime shipping sector rests on the assumptions that ships can switch to bio and e-LNG (renewable LNG) in the future and that switching would result in low greenhouse gas (GHG) emissions. 

However, for this to happen, there must be enough renewable LNG to meet future demand and using it must result in a substantial reduction in GHG emissions on a life-cycle basis compared to fossil LNG. 

“Understanding whether these assumptions are realistic is important for policymakers, including in the European Union, which has committed to reducing its GHG emissions by at least 55% below 1990 levels by 2030 (that is equivalent to a 41% reduction from 2019 levels),” it said. 

The well-to-wake (WTW) carbon dioxide equivalent (CO2e) emissions associated with three 2030 scenarios in the European Union are shown in the figure below. Compare the scenario in which ships use 100% renewable LNG in 2030 (far right, representing a €50 per gigajoule subsidy) to emissions from using 100% fossil in 2019 (far left). 

ICCT: Methane slip must be eliminated for renewable LNG bunker fuel to be a feasible solution for shipping

As shown, using renewable LNG could cut WTW CO2e emissions by 38% based on 100-year global warming potentials (GWP, labeled as CO2e100) but raise emissions 6% based on 20-year GWP (CO2e20) because of methane’s strong near-term warming effects. Focusing on the orange portions of the bars, even using 100% renewable LNG doubles methane emissions compared to 2019; this is primarily because of methane slip from marine engines.

According to the report, for renewable LNG to significantly contribute to achieving climate goals, methane slip from marine engines needs to be virtually eliminated and methane leaks upstream need to be greatly reduced. 

According to the report, methane slip from marine engines needs to be virtually eliminated and methane leaks upstream need to be greatly reduced for renewable LNG to significantly contribute to achieving climate goals. 

“Additionally, methane leaks from onboard fuel tanks and cargo tanks, which researchers are still working to adequately quantify, would need to be near zero. It is important for policymakers and stakeholders to understand that other fuels, including synthetic diesel and green methanol, could offer low life-cycle emissions without the methane problem,” it said. 

Note: The full copy of “Comparing the future demand for, supply of, and life-cycle emissions from bio, synthetic and fossil LNG marine fuels in the European Union” can be found here

 

Photo credit: International Council on Clean Transportation (ICCT)
Published: 16 September 2022

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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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