United Kingdom, May 27 -- Technology group Wartsila's 4-stroke engine-based solution for ammonia fuel now delivers higher than ever levels of efficiency and performance. Following its introduction to the commercial marine sector in November 2023, the ammonia solution has undergone extensive testing to optimise its performance parameters. The latest results, assessed against the FuelEU Maritime reference and measured on both a Well-to-Wake and Tank-to-Wake basis, show that a 95 percent ammonia energy share now achieves up to a 90 percent reduction in greenhouse gas emissions compared to equivalent diesel engines. This represents a further 18 percent improvement on the solution's emissions performance.The Wartsila 25 ammonia engine, which is ...