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Propulsion

Marine propulsion systems, solutions, and services from Wärtsilä deliver efficiency, safety, and manoeuvrability. Here you will discover a wide variety of articles, case studies, papers, and webinars on the propulsion topic.

Propulsion

Articles

16 Dec 2025 · Article
5 min read
Short sea shipping and sustainability: 3 interesting considerations
Could an aging fleet and tightening environmental regulations be an opportunity...
MV Afros installed with 4 Anemoi Rotor Sails
11 Dec 2025 · Article
7 min read
Wind-assisted propulsion for ships: 8 helpful things every ship owner should know
Wind power is making a comeback – but with a modern, high-tech...
3D illustration of offshore vessels and rigs
18 Sep 2025 · Article
7 min read
Make more from offshore: how to turn three challenges into opportunities
Want to make more from offshore, with maximised safety and manoeuvrability,...
Rendering of a ship with electric propulsion from Wärtsilä
6 Jun 2025 · Article
5 min read
Four successful ways to electrify mechanical propulsion – from basic to brilliant
If your vessel uses mechanical propulsion, there are four proven...
23 Apr 2025 · Article
5 min read
Seven helpful and unbiased facts to know about methane slip
What is methane slip, why is reducing it essential and what smart solutions are on offer...
Wärtsilä service employee working on a propeller
21 Nov 2024 · Article
7 min read
How to keep your propulsion equipment in top shape – 6 expert tips
Ensure your propulsion equipment maintenance goes smoothly with these six top...
Wärtsilä service employee working on a propeller
22 Oct 2024 · Article
4 min read
Unsure about CII compliance? Here’s how energy saving technologies can help
Are you looking for ways to maintain or improve your CII rating? Find...
Propeller Vorticity
17 Sep 2024 · Article
4 min read
Computational fluid dynamics: 6 helpful facts about CFD that might surprise you
Is it possible to see with your own eyes how a new part will affect...
Cruise vessel Le Commandant Charcot ©PONANT-Daniel Ernst
26 Mar 2024 · Article
5 min read
How can small cruise ships decarbonise? 5 top tips from an expert
When it comes to small cruise ships and decarbonisation, there are several...

Webinars

Container ships at sea
5 Oct 2023 · Webinar
Real-world solutions for the Greek and Cypriot merchant fleet
This webinar will focus on real-world concepts that can help, from future fuels,...
11 Oct 2022 · Webinar
How to improve your CII rating with energy saving technologies
This webinar reveals how energy saving technologies can improve CII rating for...
Smart Propulsion_webinar
19 May 2021 · Webinar
Smart Propulsion Machinery for Bulkers & Tankers (MEA Session)
Say hello to the new future future-fuel ready technology and design for bulkers &...
Smart Propulsion_webinar
26 May 2021 · Webinar
Smart Propulsion Machinery for Bulkers & Tankers (EUAF Session)
Say hello to the new future future-fuel ready technology and design for bulkers &...
Smart Propulsion_webinar
2 Jun 2021 · Webinar
Smart Propulsion Machinery for Bulkers & Tankers (AMER Session)
Say hello to the new future future-fuel ready technology and design for bulkers &...
Waterjet-webinar-banner
19 May 2021 · Webinar
Integrated drive train solutions for high speed craft
19 May 2021 - EUAF session

White papers

propeller flow analysis, where the colored lines or contours represent the velocity and path of the fluid
White paper
36 pages
Insider’s guide to ship propulsion: 8 tips to help you make the right choices
Download this eGuide and learn how to choose propulsion solutions to...
White paper
24 pages
Offshore gains: How to tackle three challenges and sharpen your edge
Perfect for offshore vessel owners and designers. Learn how to boost efficiency...
Wärtsilä employee checking a ship propeller
White paper
24 pages
White paper: CII rating: 11 smart ways to boost it while staying competitive
How to boost your ship’s CII rating and stay competitive? Energy-saving...
50 great ways for the marine industry to reduce GHG emissions – Wärtsilä eBook
White paper
23 pages
eBook: 51 great ways the maritime industry could reduce its greenhouse gas emissions
Your improved go-to guide when looking for inspiration on how...
White paper
44 pages
White paper: The route to profitable decarbonisation for the ferry industry
Insights and practical guidance for the journey towards zero-carbon...
White paper
8 pages
White paper: Steering into a new future
Taking tugboats to the next level: Improving performance with Wärtsilä's propulsion solutions

Case studies

Ibaizabal LNG bunkering vessel
Case study
Ibaizabal
Discover how Ibaizabal’s new LNG bunkering vessel sets new standards in methane slip reduction using the Wärtsilä 25 marine engine with...
3D illustration of new James Fisher and Sons plc tankers
Case study
James Fisher and Sons plc tankers
Wärtsilä will supply British fleet operator, James Fisher and Sons plc with a fully integrated propulsion package...
Finnsirius © Finnlines
Case study
Finnlines' two RoPax vessels
Why was an integrated hybrid solution for two new RoPax vessels the perfect choice to support Finnlines’ long-term...
Vitol tanker Leopard Star
Case study
Vitol tankers
Wärtsilä EnergoFlow and Wärtsilä EnergoProFin solutions save 2 Vitol tankers 6% on annual fuel consumption and provide 16 days of free...
Hybrid solution for Aasen Shipping's modern bulk carrier
Case study
Aasen Shipping
Hybrid solution delivers big fuel savings, reliability and outstanding performance for Aasen Shipping's modern self-discharging bulk...
Case study
Brittany Ferries
With an 11.5 MWh energy storage system, Brittany Ferries’ two new RoPax vessels are record breakers. What rewards will they reap...
Case study
Misje Vita
Hybrid solution including engine, batteries, propeller and energy management system delivers big fuel savings for Misje Rederi's newbuild...
Carnival Regal Princess and optimal decarbonisation path
Case study
Carnival Regal Princess
A digital model of the Regal Princess cruise ship has given Carnival data and insights that will help it decarbonise both...
Case study
Harvey Gulf International Marine
Wärtsilä HY hybrid upgrade has helped make Harvey Gulf International Marine’s operations significantly more fuel...