
Wärtsilä Launches Advanced 4-Stroke Ammonia Engine for Sustainable Marine Decarbonization
Wärtsilä has introduced its advanced 4-stroke ammonia engine, achieving a 90% reduction in greenhouse gas emissions compared to diesel engines. This engine, part of the Wärtsilä 25 platform, utilizes a low-pressure Otto cycle design, ensuring safety and efficiency. Initial deliveries are expected by 2026, supporting the shipping industry’s decarbonization efforts.