Wärtsilä Teams Up with MPA and PSA Marine on IntelliTug 17 October 2018 Wärtsilä partners up with MPA and PSA Marine on a project to develop a harbor tug with autonomous navigation. Author: Capt. Johnhttps://worldmaritimenews.com/archives/262736/wartsila-teams-up-with-mpa-and-psa-marine-on-intellitug/