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Hydrogen

DNV launches new recommended practice for use of hydrogen as bunker fuel

New RP outlines the competence requirements for crew, inspectors, and technical personnel to support the proper handling of hydrogen systems on board ships.

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DNV study for EMSA backs design-based safety approach for hydrogen‑fuelled ships

Classification society DNV on Wednesday (20 May) said it has released a new recommended practice (RP) for hydrogen as ship fuel, outlining the competence requirements for crew, inspectors, and technical personnel to support the proper handling of hydrogen systems on board ships.

Hydrogen is gaining traction as a marine fuel, with seven vessels currently in operation and another 30 in the orderbook. However, several safety barriers like hydrogen leakage, low ignition energy, and management of high‑pressure or cryogenic storage, still limit its uptake. But with proper training and a strong safety culture, and with ship designs engineered to limit risk as much as possible, its use can be managed more safely and efficiently.

The DNV-RP-0703 “Competence related to use of hydrogen as fuel” addresses hydrogen’s specific risk profile by defining structured competence requirements. The RP can also be used as a basis for operational procedures and emergency preparedness planning. It builds on DNV’s existing competence framework for low‑GHG fuel, following RPs and Standards for LNG, ammonia, and methanol.

Cristina Saenz de Santa Maria, CEO Maritime at DNV, said: “Hydrogen represents one of several possible pathways in maritime decarbonization. The development of efficient safety regulations and guidelines is fundamental for hydrogen to evolve from large-scale demonstration to commercial use. 

“To get there it is essential that the industry develops competence levels among seafarers in parallel with technical solutions so that they can operate hydrogen‑fuelled vessels with confidence.”

DNV’s RP is designed to supplement existing regulatory frameworks such as the STCW Convention and ISM Code by providing hydrogen‑specific competence guidance for organizations considering using hydrogen as a marine fuel. 

It is also intended for use by shipowners and operators for onboard familiarization and competence management, by maritime academies and training institutions to develop curricula and courses, and by third parties as a reference for certification or verification of learning programs and competence assessments.

Kirsten Birgitte Strømsnes, Business Development Leader in DNV, said: “The use of hydrogen as a ship fuel requires that crew and shore-based personnel are trained on its specific hazards, and that organizations reflect these risks in their management systems and competence frameworks. It also means ensuring safer ship designs and implementing the necessary technical barriers.

“We have developed this recommended practice using DNV’s established methodology for competence standards, with input from industry partners and with reference to international regulations. As industry experience with hydrogen-fuelled vessels grows, this RP is intended to evolve in line with emerging best practices into a competence standard.” 

DNV has collaborated with industry partners Samskip, eCap Marine, Naval Dynamics, Chart Industries, LH2 Shipping, Torghatten, Shell, Everllence, and GreenH in developing the recommended practice. 

Note: More information on DNV’s new RP can be found here

 

Photo credit: DNV
Published: 21 May, 2026

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Alternative Fuels

ClassNK updates safety guidelines for alternative-fuelled ships

The classification society says it has revised the safety requirements within its guidelines for ships using methanol, ethanol and hydrogen as marine fuels.

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RESIZED Venti Views on Unsplash

Classification society ClassNK on Tuesday (18 August) said it has revised the safety requirements within its guidelines for ships using methanol, ethanol and hydrogen as marine fuels. 

In Part D of the guidelines, covering hydrogen-fuelled ships, the revision incorporates the Interim Guidelines for the Safety of Ships Using Hydrogen as Fuel (MSC.1/Circ.1701) issued by the IMO this year, and additionally introduces a hydrogen leak frequency table that can be used for the safety assessments required under the IMO guidelines. 

In Part A, covering methanol and ethanol-fuelled ships, new structural strength requirements for methanol/ethanol fuel tanks—which are not addressed in the IMO guidelines—have been established. 

“Through this revision, shipyards, designers, and shipowners can carry out design and safety assessments in line with the latest international standards, and by utilizing ClassNK’s own leak frequency estimates and the relevant requirements, they can proceed the development of alternative-fuelled ships in a more rationally,” ClassNK said in a statement. 

As the building of alternative-fuelled ships advances in response to the global challenge of reducing GHG emissions, ClassNK has comprehensively compiled the safety requirements for ships using methanol, ethanol, LPG, ammonia, and hydrogen—fuels regarded as promising alternatives—and has issued the guidelines. 

“Taking into account the risks that the use of alternative fuels poses to the environment, seafarers, and ships, the guidelines set out requirements for equipment, controls, and safety devices to minimize such risks,” it added. 

With the issuance of the IMO guidelines for hydrogen-fueled ships (MSC.1/Circ.1701), ClassNK said it has fully incorporated the IMO guidelines to make the guidelines more user-friendly for shipyards, designers, and shipowners, while also enhancing the requirements serving as design and assessment guidance for other alternative fuels. 

In the development of the IMO guidelines, now reflected in Part D, ClassNK participated as a member of the Japanese delegation to the IMO Sub-Committee CCC 11 and contributed to the discussions.

Note: The Guidelines for Ships Using Alternative Fuels (Edition 3.1)  can be viewed under “Guidelines” on My Page by registering as a user on the ClassNK website. 

 

Photo credit: Venti Views on Unsplash
Published: 20 August, 2026

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Alternative Fuels

Germany launches EUR 70 million funding programme for green inland shipping corridors

Eligible projects include the installation of zero- or low-emission propulsion systems on newbuild and existing cargo vessels, as well as investments in port infrastructure for alternative fuels.

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Maxime Vandenberge on Unsplash

Germany’s Federal Ministry for Transport (BMV) recently opened the first funding call under its new programme for green inland navigation, with up to EUR 70 million (USD 81 million) available for projects to develop green inland shipping corridors.

The funding will support the deployment of zero- and low-emission inland vessels and the development of associated infrastructure. 

Eligible projects include the installation of zero- or low-emission propulsion systems on newbuild and existing cargo vessels, as well as investments in port infrastructure for alternative fuels such as hydrogen, ammonia and methanol.

Funding will also cover facilities for producing renewable electricity and renewable hydrogen, along with storage systems. Infrastructure at transhipment and berthing facilities outside ports, including charging, refuelling and mobile supply equipment, is also eligible.

Companies, municipalities and other economically active organisations based in Germany can apply under the first funding call, which focuses exclusively on establishing green inland shipping corridors. Applications opened on 17 August through the German government’s easy-Online funding portal.

The initiative is also intended to encourage a greater shift of freight and passenger transport to inland waterways, while supporting Germany’s climate targets, European alternative-fuels infrastructure requirements and the long-term competitiveness of the country’s inland shipping sector.

 

Photo credit: Maxime Vandenberge on Unsplash
Published: 18 August, 2026

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Alternative Fuels

UK Chamber of Shipping releases industry-first safety evidence base for alternative bunker fuels

Publication provides preliminary, high-level risk assessments covering five key marine fuel pathways: Battery Energy Storage Systems, biofuels, methanol, hydrogen and ammonia.

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RESIZED Chris Pagan

The UK Chamber of Shipping on Monday (3 August) published Alternative Fuels: Building the Safety Evidence Base, a report bringing together industry expertise to identify and assess the safety considerations associated with the fuels expected to power shipping’s transition to net zero.

Developed through the Chamber’s Safety of Alternative Fuels Working Group (SAFWG), the publication provides preliminary, high-level risk assessments covering five key fuel pathways: Battery Energy Storage Systems (BESS), biofuels, methanol, hydrogen and ammonia. 

Francesco Sandrelli, Policy Director (Environment) at the UK Chamber of Shipping, said: “Shipping is on a critical pathway to net zero. New fuels and energy sources are moving from pilot projects to commercial reality, but safety, standards and operational readiness must keep pace.

“There is no single fuel that will decarbonise shipping. Different vessel types, trades and operating environments will require different solutions. What is essential is that the transition takes place safely. This publication is an important step towards achieving that goal.”

Among the report’s key findings is the need for robust design and process safety frameworks to support the commercial deployment of alternative fuels. The research also highlights a number of cross-cutting themes, including material compatibility, emergency response preparedness, crew training and competence, and the need for clearer regulatory pathways. 

The report represents a major collaborative effort by industry to build a shared understanding of the opportunities and challenges associated with alternative marine fuels. It provides practical insights into the known risks, highlights where further work is needed, and creates a foundation for future research, regulation and operational learning. 

The SAFWG was established by the UK Chamber of Shipping to support industry understanding of the safety implications associated with emerging zero and near-zero emission fuels. 

The report is the culmination of the Working Group’s first year of activity, during which more than 200 participants from over 50 organisations collaborated through a series of technical workshops delivered by Policy Director Francesco Sandrelli, supported by Robert Merrylees and Paul Markides. 

The publication forms part of the UK Chamber’s wider work to support shipping’s transition to net zero while maintaining the highest standards of safety and operational excellence. 

Future work by the SAFWG will focus on identifying regulatory and knowledge gaps, developing project-specific case studies, expanding stakeholder engagement and establishing an incident and lessons-learned database. 

Note: The report, Alternative Fuels: Building the Safety Evidence Base, can be found here

 

Photo credit: Chris Pagan on Unsplash
Published: 4 August, 2026

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