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DNV: How to develop and implement a successful decarbonization strategy

DNV details how it developed a comprehensive decarbonization strategy together with tanker owner International Seaways including a detailed decarbonization plan for every vessel.

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DNV: How to develop and implement a successful decarbonization strategy

Classification society DNV on Tuesday (16 July) published a Maritime Impact article on tanker owner International Seaways’s decarbonization journey with the support of DNV:

International Seaways, Inc. embarked on an ambitious journey to put its entire tanker fleet on course for decarbonization, supported by DNV. An overall strategy and decarbonization plans for all vessels will help the company to achieve regulatory compliance in a cost-effective way while reducing business risk.

Achieving greenhouse gas emission compliance for an entire fleet of vessels can be a very complex task, both methodically and financially, and knowing where to start is not the easiest part of it. This is why DNV’s Maritime Advisory team offers a structured approach that helps shipowners develop a fleet-wide decarbonization plan – and engage the organization to support it.

A fast follower: Putting sustainability centre stage

International Seaways, Inc. (INSW) is a well-known New York-based tanker owner with a fleet of roughly 80 vessels of various types and sizes. The company has worked with DNV for many years and turned to DNV for support with its decarbonization strategy and plans. “We are a listed public company, so we have to be very thoughtful about how we invest our money,” explains William Nugent, Senior Vice President and Chief Technical and Sustainability Officer at International Seaways. “Our shareholders expect us to be careful stewards of their investments.”

Seeing the broader trends in the industry and the global drive to decarbonize, INSW wants to be “a fast follower”, he adds. “This means that we need to look at how our existing and future fleet matches IMO’s and Europe’s decarbonization intentions and especially those of our stakeholders.” Sustainability criteria are typically embedded in today’s finance agreements, he points out, lauding the Poseidon Principles, which have helped create a level playing field for the shipping world.

DNV’s strategy report: Guiding INSW towards compliance

The purpose of the fleet-wide decarbonization strategy and plans DNV developed jointly with INSW was to enable the company to meet or exceed the IMO decarbonization trajectories and EU regulations in an economically feasible manner while minimizing business risk. DNV delivered a strategy report to provide INSW with a solid understanding of the regulatory environment and the available options to achieve compliance, including operational optimization recommendations for the years to come. Furthermore, the delivery included a fuel performance management report as well as a roadmap and capital expenditure schedule for every single vessel, delivered on DNV’s Veracity platform.

Periodical updates keep decarbonization plans relevant

Lois Zabrocky, President and Chief Executive Officer of International Seaways, summarizes the objectives: “Of course, we want a plan to reduce our emissions and extend the lifetime of the vessels as much as possible. Today, we have a plan to … look at the trajectory of our emissions and all the available opportunities for us to decarbonize.”

As a living document, the decarbonization plan is reviewed and updated periodically with help from DNV as the INSW organization builds knowledge, experience and confidence.

Alignment throughout the enterprise and beyond

“The first step we embarked on together with DNV was taking the temperature of the organization,” recalls Nugent. All parts of the INSW organization from the CEO down to the crews, along with external partners such as commercial vessel management and charterers, were asked to participate in surveys to provide their views of INSW, their current decarbonization efforts and related questions. “We also conducted a technical review across the fleet and updated our educational processes for the whole organization around what decarbonization means, the goals, issues and challenges,” says Nugent.

Turning evaluation insights into actionable decarbonization plans

“This stepwise effort, guided by DNV, was thoughtful, well-timed and in-depth; it highlighted areas where we were very strong and others where we had work to do. It was presented in a way that was clear, concise and solution-oriented.” The resulting insights enabled INSW to benchmark the company against decarbonization best practices and put in place the decision tools to change the internal dialogue around decarbonization, which took many workshops and meetings involving all levels of the organization. “DNV took an industry’s worth of insights, feedback and knowledge and turned it into something very specific and actionable for International Seaways,” says Nugent.

Note: The full article titled ‘Decarbonization in action: The successful journey of International Seaways with DNV’ can be found here

 

Photo credit: International Seaways
Published: 18 July 2024

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Alternative Fuels

Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

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Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Taiwanese shipping firm Yang Ming Marine Transport Corporation (Yang Ming) and South Korean shipbuilder Hanwha Ocean on Wednesday (2 September) signed a shipbuilding contract for six 13,000 TEU class LNG dual-fuel container vessels. 

The contract was signed by Dr. Chuck Tsai, Chairman of Yang Ming, and Mr. Charles Kim, CEO of Hanwha Ocean. The vessels are scheduled for delivery between 2028 and 2029. 

They will complement Yang Ming’s existing fleet of 10,000+ TEU vessels and serve as key vessels on East-West services, with deployment flexibility across trade lanes connecting Asia with the East and West Coasts of North America, South America, and the Mediterranean. 

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

“As Yang Ming transitions toward net-zero emissions, LNG provides a relatively mature and economically viable alternative fuel solution, capable of reducing greenhouse gas emissions by approximately 20%,” the company said. 

“At the same time, ammonia can serve as a carbon-free fuel by utilising converted LNG storage facilities, while offering relatively lower conversion costs and comparatively well-developed supply chains and infrastructure. The Ammonia Fuel Ready design will therefore provide Yang Ming with greater flexibility in responding to increasingly stringent international regulations on greenhouse gas emissions.”

In addition, the vessels will be equipped with Type B LNG fuel tanks with a design pressure of 1.0 bar to enhance the safety and efficiency of LNG operations, together with a range of energy-saving technologies, including Wind Shields, Rudder Bulbs, Pre-Swirl Stators, and Shore Power Systems. Smart ship technologies and cybersecurity protection features will also be incorporated to enhance operational efficiency, safety, and reliability while effectively reducing fuel consumption and greenhouse gas emissions.

Deliveries under Yang Ming’s next-generation fleet optimization plan commenced earlier this year. By 2030, a total of 24 new vessels are expected to enter service. 

This includes 18 LNG dual-fuel vessels—comprising five 15,500 TEU, seven 16,000 TEU, and the six 13,000 TEU vessels under this contract—alongside six 8,000 TEU methanol dual-fuel-ready ships. 

 

Photo credit: Yang Ming Marine Transport
Published: 4 September, 2026

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Alternative Fuels

LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Both secured AiP for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Lloyd’s Register (LR) and the Marine Design and Research Institute of China (MARIC) on Thursday (3 September) have secured Approval in Principle (AiP) for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

Announced at SMM 2026, the concept addresses one of the biggest investment challenges facing shipping today: the need to develop vessels and capabilities that can support a range of alternative fuel options and pathways as technologies, infrastructure and regulations evolve.

While LNG is already a mature fuel pathway, methanol and ammonia remain at an earlier stage of development, with questions around global fuel availability, infrastructure development, economics and long-term adoption.

The 114,000 DWT tanker concept has been designed as a product and crude oil carrier that can accommodate future conversion to LNG, methanol or ammonia as technologies, regulations and fuel supply chains mature. By incorporating conversion readiness at the design stage, the concept aims to reduce future retrofit complexity and provide owners with greater confidence when planning long-term fleet investments.

The design concept was reviewed against LR’s July 2026 class rules and regulations, including requirements relating to ships using gases and other low-flashpoint fuels, alongside relevant IACS Common Structural Rules for oil tankers. Final classification and statutory approval remain subject to full compliance with all applicable rules and regulations.

Theo Kourmpelis, Global Business Director for Tankers, Lloyd’s Register, said: “Shipowners are being asked to make major investment decisions today despite continued uncertainty around which fuels will dominate in the decades ahead. Alternative fuel solutions each offer potential pathways to compliance, but fuel infrastructure, regulation and economics continue to evolve at different speeds around the world.

“Designs that preserve flexibility will be critical in helping owners manage risk while preparing for multiple future scenarios.”

Si Nan, Marine & Offshore Marketing Department Vice Director, MARIC, said: “As the industry explores different decarbonisation pathways, shipowners need vessel designs that can adapt alongside technological and regulatory developments. This concept was developed specifically to provide greater fuel flexibility and long-term resilience, allowing owners to respond to changing market requirements without being locked into a single fuel strategy.

“Receiving Approval in Principle from Lloyd’s Register is an important milestone that validates the design concept and supports its future development.”

 

Photo credit: Lloyd’s Register
Published: 4 September, 2026

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Alternative Fuels

DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

LNG-fuelled vessels accounted for the vast majority of August activity while the strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year.

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DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

Latest data from classification society DNV’s Alternative Fuels Insight (AFI) platform alternative-fuelled vessel ordering was strong in August, with 52 new vessels added to the platform.

This is the highest monthly total since October 2024 and follows another active month in July, when 47 vessels were added to the database.

LNG-fuelled vessels accounted for the vast majority of August activity, with 46 orders recorded. The container segment led the way with 30 orders, while the car carrier segment contributed a further 12 LNG-fuelled vessels. In addition, four ethanol-fuelled bulk carriers and two hydrogen-powered bulk carriers were added during the month, as well as one LNG bunker vessel.

The strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year. In total, 242 alternative-fuelled vessel orders have been placed in the first eight months of 2026, representing a 27% increase compared with the same period in 2025.

LNG remains the dominant fuel choice, accounting for 63% of all alternative-fuelled vessel orders registered so far this year. Container vessels represent the largest share of these LNG orders (59%), followed by car carriers (30%).

Jason Stefanatos, Global Decarbonization Director at DNV Maritime, said: “The past two months have been particularly strong for alternative-fuelled vessel ordering, with August recording the highest monthly total we’ve seen since October 2024. This has helped lift year-to-date orders to a level well above the same period last year.

“LNG remains the leading fuel choice, driven largely by activity in the container and car carrier segments. These sectors have been among the earliest adopters of alternative fuels, supported by predictable liner operations and increasing demand from cargo owners to reduce emissions across supply chains. 

“For many owners, LNG offers a combination of emissions reductions, fuel availability and future flexibility while the longer-term fuel landscape continues to evolve. 

“At the same time, the latest figures include orders for ethanol- and hydrogen-fuelled vessels, highlighting that owners continue to explore a range of decarbonization pathways. Different segments are making different fuel choices, but the overall level of activity demonstrates continued investment in lower-emission shipping.”

Screenshot 2026 09 04 at 12.29.26 PM Screenshot 2026 09 04 at 12.29.36 PM

 

Photo credit: DNV
Published: 4 September, 2026

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