Green Ammonia Approaches Cost Parity with Conventional Marine Fuels in New WinGD and Envision Analysis

Green Ammonia Approaches Cost Parity with Conventional Marine Fuels in New WinGD and Envision Analysis

(IN BRIEF) WinGD and Envision have jointly released a study showing that green ammonia could become a cost-competitive fuel for shipping under moderate regulatory conditions, potentially matching current fuel options such as VLSFO and LNG and surpassing LNG in cost efficiency by 2050. Based on real-world engine performance and lifecycle emissions data, the analysis highlights green ammonia’s potential as a scalable and practical solution for maritime decarbonisation. While other alternative fuels like e-LNG and green methanol may require additional incentives to achieve similar viability, the study underscores the growing role of renewable fuels in the transition toward lower-emission shipping.

(PRESS RELEASE) WINTERTHUR, 19-Mar-2026 — /EuropaWire/ — WinGD, and Envision have released a joint study examining the operating costs of ships powered by renewable fuels, highlighting the growing economic viability of green ammonia in the maritime sector. The analysis indicates that, under moderate global regulatory conditions, green ammonia could reach cost parity with very low sulphur fuel oil (VLSFO) and liquefied natural gas (LNG) at today’s prices, even without additional incentives tied to zero-emission fuels.

The study focuses on container and bulk shipping routes between China and Australia, incorporating verified lifecycle emissions data and current fuel pricing along the Chinese coast. Based on these inputs, the findings suggest that while VLSFO and LNG remain the most cost-competitive fuels today, green ammonia is expected to achieve comparable costs in the near term and surpass LNG by 2050, delivering an estimated 5–6 percent lower lifecycle operating cost.

Frank Yu, Senior Vice President at Envision Energy, emphasized that the collaboration demonstrates a clear pathway toward economically competitive renewable fuels. He pointed to Envision’s AI-enabled optimisation at its Chifeng facility, where renewable energy generation is closely integrated with fuel production, as a key factor in achieving this milestone. He also noted that green ammonia offers advantages in terms of electrification and supply certainty, positioning it as a practical long-term fuel option for shipping.

The study draws on real-world engine performance data from WinGD’s portfolio, including ammonia-fuelled X-DF-A engines, methanol-fuelled X-DF-M engines, and LNG-powered X-DF engines. It evaluates fuel consumption, emissions, and operational costs based on actual vessel performance, providing a realistic comparison of fuel options under different regulatory scenarios.

Dominik Schneiter, CEO of WinGD, highlighted the importance of combining real data with industry collaboration to demonstrate the commercial potential of low-emission fuels. He noted that, even as global regulatory frameworks continue to evolve, the shipping industry has the tools and technologies available to advance decarbonisation efforts.

The analysis also considers alternative fuels such as e-LNG and green methanol, which are expected to require stronger policy support or financial incentives to reach similar levels of competitiveness. Their long-term viability will depend in part on how quickly production capacity can scale.

The partnership between WinGD and Envision comes as both companies accelerate the deployment of green fuel technologies. Envision’s Chifeng facility is already producing approximately 320,000 tonnes of green ammonia annually, with exports beginning in late 2025. Production capacity is expected to increase significantly, reaching around 1.5 million tonnes per year by 2028, establishing a model for scalable clean energy hubs.

At the same time, WinGD is advancing its portfolio of alternative-fuel engines, with the first ammonia-capable X-DF-A engines scheduled to enter service in the near term. The company’s installed base already includes a substantial number of LNG-fuelled engines and a growing number of methanol-capable systems.

Through this study, the two companies aim to contribute to industry discussions on the role of zero- and near-zero-emission fuels in maritime decarbonisation, providing data-driven insights into how renewable fuels can transition from emerging solutions to commercially viable options.

Read the whitepaper here

Envision Energy in brief

Envision is a global green technology leader known for its innovation which has completely reinvented the renewable energy system with its development of smart wind turbines, energy storage and green hydrogen, orchestrated by AI with the establishment of net zero industrial parks in various parts of the world.  The company aims to accelerate the global green energy transition and has been recognized for its sustainability efforts, including being listed twice on Fortune’s “Change the World” list and named a “Green Giant” in TIME’s “2024Time 100 Most Influential Companies” list.

Website: www.envision-group.com

PR Contact: Jin WU, jin.wu3@envision-energy.com

Media Contact:
Kami Paulson
Head of Client Communications
Knights Media and Public Relations #knightsmpr
E-mail: kami@knightsmpr.com
Tel.: +44 7947 697 653

WinGD in brief
WinGD advances the decarbonisation of marine transportation through sustainable energy systems using the most advanced technologies in emissions reduction, fuel efficiency, hybridisation and digital optimisation. With their two-stroke low-speed engines at the heart of the power equation, WinGD sets the industry standard for reliability, safety, efficiency, and environmental design – supported by Global Service by WinGD, which delivers tailored 24X7 lifecycle engine support through Swiss engineering excellence, dependable maintenance, rapid global response, and genuine parts to keep engines performing at their best. Wartsila Services Switzerland Ltd remains an authorised global service provider.

Headquartered in Winterthur, Switzerland since its origin as the Sulzer Diesel Engine business in 1893, today WinGD is powering the transformation to a sustainable future.

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SOURCE: Winterthur Gas & Diesel Ltd