Everllence Ammonia Engine Passes Factory Acceptance Test

Why It Matters

The test validates ammonia as a viable zero‑carbon marine fuel, accelerating commercial adoption and giving Everllence a first‑mover advantage in a rapidly evolving decarbonisation market.

Key Takeaways

• Everllence completed FAT for its first ammonia‑burning engine
• Engine built by Hyundai Heavy Industries' licensee in South Korea
• Vessel for Eastern Pacific Shipping to receive engine, delivery Oct 2026
• Engine features dual‑fuel capability and high‑pressure SCR emissions control
• Retrofit kits offered for all bore sizes

Pulse Analysis

Ammonia is emerging as a leading zero‑carbon marine fuel, offering comparable energy density to traditional bunker while emitting only water and nitrogen when burned. International bodies such as IMO have set ambitious emissions caps, prompting shipowners to explore alternatives beyond liquefied natural gas and biofuels. Everllence, a spin‑off from Wärtsilä, has positioned itself at the forefront by adapting its proven two‑stroke platform to run on ammonia. The recent factory acceptance test (FAT) validates the company’s claim that ammonia propulsion can move from laboratory to commercial vessels within the next few years.

The engine that passed the FAT is the Everllence B&W 6G60ME‑LGIA, a dual‑fuel unit capable of burning both ammonia and conventional liquid gas. Built under license by Engine & Machinery of Hyundai Heavy Industries in Korea, it incorporates High‑Pressure Selective Catalytic Reduction (HPSCR) to meet stringent NOx limits without compromising efficiency. Safety‑critical features such as double‑walled piping, containment chambers, continuous sensor monitoring and dedicated ventilation address ammonia’s toxic and corrosive properties. By leveraging the existing ME‑LGIM and ME‑LGIP product families, Everllence can offer retrofit packages for a range of bore sizes, accelerating fleet conversion.

The commercial debut is slated for a new ammonia carrier ordered by Singapore‑based Eastern Pacific Shipping, with delivery expected in October 2026. As the world’s first vessel to install the 6G60ME‑LGIA, it will serve as a live demonstration of ammonia’s viability for bulk transport routes across Asia‑Europe corridors. Successful operation could trigger a cascade of orders, especially as shipyards and financing institutions begin to accommodate the unique certification and insurance requirements of ammonia‑fuelled ships. Everllence’s early market entry therefore positions it to capture a sizable share of the nascent zero‑carbon propulsion market, challenging incumbents still focused on hydrogen or electric solutions.