Wärtsilä's 4-Stroke Ammonia Engine Put to the Test

Wärtsilä to supply electric propulsion for San Francisco electric passenger ferries

Wärtsilä will supply the electric propulsion system for three fully battery-electric, high-speed ferries that will operate in the San Francisco Bay area. The zero-emission vessels will be the first full electric high-speed ferries to operate and be built in the USA. The Wärtsilä was placed by All American Marine (AAM), on behalf of San Francisco Bay Ferry, California’s largest public ferry operator. “These 150-passenger ferries represent a trans…

Four-stroke Wärtsilä ammonia engine now delivers 90% GHG emissions reduction

Wärtsilä reports that its ammonia-fueled four-stroke engine now delivers higher than ever levels of efficiency and performance. Following its introduction to the commercial marine sector in November 2023, the Wärtsilä 25 ammonia engine has undergone extensive testing to optimize its performance parameters. According to Wärtsilä, the latest results, assessed against the FuelEU Maritime reference and measured on both a Well-to-Wake and Tank-to-Wak…

Wärtsilä's 4-Stroke Ammonia Engine Put to the Test

Wärtsilä’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 optimize its performance parameters.