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Wärtsilä rolls out engine & abatement package to comply with China’s emission standard

China’s Stage II marine engine emission standard comes into effect in July 2021 and will apply to inland waterway, coastal, river-sea, channel and fishing vessels

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Maritime technology group Wärtsilä on Thursday (29 April) said it will introduce a combined engine plus selective catalytic reduction (SCR) packaged product aimed at complying with China’s Stage II marine engine emission standard that enters into force in July 2021.

The standard will apply to inland waterway, coastal, river-sea, channel and fishing vessels operating in most rivers and around the country’s major harbour areas.

The solution comprises a Wärtsilä 20 engine fitted with a Wärtsilä NOx Reducer (NOR). The Wärtsilä NOR is designed to effectively abate emissions of nitrogen oxides (NOx), while the incorporated dosing equipment ensures the precise amount of urea is applied to the system, and provides uniform mixing of the urea and ammonia with the exhaust gas.

“This product development is yet another example of Wärtsilä’s leadership position as the marine industry strives for environmentally sustainable shipping,” said Östen Lindell, Sales Director, Wärtsilä Marine Power. 

“Coastal and inland waterway vessels are particularly affected by environmental legislation, and we are committed to providing the compliance support needed by our customers.”

The certification testing of the Wärtsilä solution is being carried out at the premises of Wärtsilä’s Shanghai-based joint-venture company Wärtsilä Qiyao Diesel Company (WQDC).

The project comprises an endurance test as well as the certification process. Emission testing is carried out before and after the endurance test, which is run continuously for close to 2000 hours. The statement of compliance will be issued by the China Classification Society (CCS). 

The product is expected to be launched to the market in the third quarter of 2021.


Photo credit: Wärtsilä
Published: 30 April, 2021

 

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Alternative Fuels

China’s SDARI receives AiPs for alternative-fuelled ships including ammonia bunker vessel

CSSC’s SDARI obtained Approval in Principle (AiP) certificates from classification societies ABS, RINA and LR for four vessel designs including a 50,000 cubic metre ammonia bunkering vessel.

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China’s SDARI receives AiPs for alternative-fuelled ships including ammonia bunker vessel

China State Shipbuilding Corporation’s (CSSC) Shanghai Merchant Ship Design and Research Institute (SDARI) recently obtained Approval in Principle (AiP) certificates from several classification societies for four vessel designs. 

Among the four is a 50,000 cubic metre (m3) ammonia bunkering vessel, which received AiP certificate from American Bureau of Shipping (ABS). 

It integrates liquid ammonia transportation and bunkering functions and can meet the long-distance transportation needs of liquefied gas goods such as liquefied petroleum gas (LPG) and liquid ammonia. 

The ship is equipped with three IMO Type A independent liquid cargo tanks, and uses zero-carbon ammonia fuel to drive the main engine and generator, meeting the IMO greenhouse gas emission reduction strategy and actively responding to the latest greenhouse gas intensity (GFI) requirements of the 83rd meeting of the IMO Marine Environment Protection Committee (MEPC 83). 

The entire ship is equipped with two independent 1,000 m3 deck liquid ammonia storage tanks, taking into account the ammonia fuel endurance requirements under multi-cargo loading and unloading, significantly improving operational economy and flexibility. 

In response to the needs of bunkering operations, it is specially equipped with a retractable bow thruster, side thruster and adjustable propellers to meet ABS’ DPS-1 notation and adapt to the complex port environment of bunkering operations. 

China’s SDARI receives AiPs for alternative-fuelled ships including ammonia bunker vessel

Meanwhile, a dual-fuel LNG/hydrogen-powered Ultramax bulker design and a 30,000 GT Roll-On/Roll-Off Passenger (ROPAX) ship designed to sail in the Mediterranean Sea received AiP certificates from RINA. 

SDARI also received AiP from Lloyd’s Register (LR) for a 113,000 dwt ammonia dual-fuel liquid cargo ship. The optimised propulsion system, specially configured with an ammonia dual-fuel power system and a wind-assisted propulsion system, is expected to save more than 10% energy, especially at low speeds. 

 

Photo credit: Shanghai Merchant Ship Design and Research Institute
Published: 12 June, 2025

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Alternative Fuels

ICCT report identifies six Brazilian ports as potential renewable marine fuel bunkering hubs

Three are public ports—Santos, Rio Grande, and Itaqui—and three are privately owned ports—Pecem, Navegantes, and Porto do Açu; Santos ranked high in four out of the five criteria assessed for readiness.

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A new report by the International Council on Clean Transportation (ICCT) on Thursday (5 June) has identified six Brazilian ports as candidate hubs for renewable marine fuel bunkering. 

The report analysed the readiness of Brazilian ports to support the production, bunkering, and deployment of renewable hydrogen and its derivatives, such as renewable ammonia and renewable methanol, laying the groundwork for establishing green shipping corridors.

Three are public ports—Santos, Rio Grande, and Itaqui—and three are privately owned ports—Pecem, Navegantes, and Porto do Açu. Santos, the largest port in Latin America, ranked high in four out of the five criteria assessed for readiness, though it had only a moderate level of commitment to decarbonisation due to a lack of ongoing or planned offshore wind projects. 

Porto do Açu and Itaqui scored high on all criteria except for access to potential offshore wind energy. Public ports generally scored higher than private ports, especially for their infrastructure, strategic location, and connectivity. On a scale of 1 to 5, the six candidates chosen for further assessment had weighted scores that ranged from 3.5 to 4.4.

Based on 2023 ship traffic, the report also identified 10 routes connecting the six candidates to both the domestic market and key international markets. Among the 10 sample routes moving key commodities, including iron ore and container cargo, between the candidate ports and ports around the world, the report estimated that five routes could be completed with direct use of renewable liquid hydrogen in a fuel cell without refuelling en route. The report found all routes could be completed without refuelling if ships use renewable hydrogen-derived ammonia and methanol in internal combustion engines. 

To successfully complete all 10 routes, with at least one ship on each route, a total energy of 1,785 tonnes of hydrogen is required if the minimum consumption of renewable fuel is considered across all routes. 

“Conversely, if we look at the maximum consumption of renewable fuel for all 10 routes, the total energy requirement is 1,911 tonnes. This translates to a demand for renewable electricity of 82 to 92 GWh,” the report said.

ICCT said the pre-feasibility assessment demonstrates the significant potential of Brazilian ports to serve as renewable marine fuel hubs, offering both economic and environmental benefits. 

“By quantifying the potential bunkering demand and analysing port readiness, this study provides a guideline for future investments and policy initiatives aimed at accelerating the decarbonisation of maritime shipping,” it added.

Note: The full report titled ‘The potential of Brazilian ports as renewable marine fuel bunkering hubs’ can be found here

 

Photo credit: Jeff Doria on Unsplash
Published: 12 June, 2025

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LNG Bunkering

CLPe and CNOOC achieve first SIMOPS LNG bunkering operation in Hong Kong

About 10,000 m3 of LNG was supplied to “Hanoi Express”, marking the largest single LNG bunkering operation in Hong Kong to date and the city‘s first STS LNG bunkering with simultaneous cargo handling.

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CLPe and CNOOC achieve first SIMOPS LNG bunkering operation in Hong Kong

Hong Kong has achieved its largest single liquefied natural gas (LNG) bunkering operation to date and the city‘s first ship-to-ship LNG bunkering with simultaneous cargo handling on 5 June, according to CLPe and CNOOC Guangdong Water Transport Clean Energy Company (CNOOC) on Tuesday (10 June). 

CLPe teamed up with CNOOC to supply around 10,000 cubic metres (m3) of LNG to the container vessel Hanoi Express from the German shipping company Hapag-Lloyd during cargo handling at Kwai Tsing Container Terminals. 

The operation integrated bunkering and cargo operations in a streamlined process, enabling Hanoi Express to be filled with LNG within 24 hours while loading and unloading cargo at Kwai Tsing Container Terminals, significantly reducing its port turnaround time and operating costs.

The LNG bunkering operation was conducted by CNOOC’s Haiyang Shiyou 301, which is 184.7 metres long and 28.1 metres wide. As the first domestically built LNG bunkering vessel in the Mainland, it is equipped with both LNG transportation and bunkering capabilities and is designed primarily to supply fuel to international maritime vessels. 

Haiyang Shiyou 301 is also the largest LNG bunkering and transport vessel in the world, with a storage capacity of 30,000 cubic meters and a refuelling rate of 1,650 cubic meters per hour.

The HKSAR Government released an Action Plan on Green Maritime Fuel Bunkering last year and enacted the Shipping Legislation (Use of Fuels and Miscellaneous Amendments) Ordinance 2024 this year, promoting the city’s development into an international green maritime fuel bunkering centre.

Secretary for Transport and Logistics Ms Mable Chan, said: “The success of this operation was made possible by the joint efforts of LNG supplier CNOOC and LNG bunker seller CLPe. Conducting bunkering during cargo operations—and with the bunkering of green maritime fuel which reduces carbon emissions—truly delivers a synergistic effect where one plus one is greater than two.”  

Ms Chan predicted the simultaneous operation would encourage the bunkering sector in Hong Kong to provide more services for vessels using LNG and other green maritime fuels. This would also give international shipping lines greater confidence and convenience in choosing the Hong Kong port for bunkering, cargo handling, and related operations, she suggested. 

CLP Holdings Chief Executive Officer Mr T. K. Chiang remarked that Hong Kong’s strategic geographic location makes it an ideal international shipping centre. As one of the world’s top ten bunkering centres, the city welcomes over 5,000 ocean-going vessels every year, and the switch to low-carbon and net-zero marine fuels is a growing trend in the global shipping industry.

Guangzhou Municipal Commerce Bureau Deputy Director Mr Wu Wei-hau said enhanced cooperation between Hong Kong and Guangzhou in the development of green marine fuel would play a key role in providing more internationally competitive green shipping services in the Guangdong-Hong Kong-Macao Greater Bay Area.

In November 2024, CLPe and CNOOC announced plans for a joint venture to provide LNG bunkering services in Hong Kong, aiming to accelerate the green transformation of the shipping industry. 

Related: Hong Kong unveils action plan to become green maritime bunkering centre
Related: CLPe and CNOOC form joint venture to offer LNG bunkering in Hong Kong

 

Photo credit: CLPe and CNOOC
Published: 11 June, 2025

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