Future fuels A to Z – 19 best picks on future marine fuel technology

The 19 best picks on marine future fuel technology to help you comply with regulations, save money and hit your decarbonisation targets in a handy A-Z.

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Wärtsilä Marine leads the industry in its journey towards a decarbonised and sustainable future. Our portfolio of engines, propulsion systems, hybrid technology and integrated powertrain systems deliver the reliability, safety, and environmental performance to decarbonise the worlds fleet. We offer our customers performance-based agreements, lifecycle solutions, and an unrivalled global network of maritime expertise.

Articles

View from bridge from Harmony of the Seas
3 Dec 2025 · Article
6 min read
From big data to lifecycle optimisation – 4 trends that will affect shipping in 2026
Take a deep dive into four trends and technologies that our...
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,...
Bow of TT-Line's MS Robin Hood
17 Jul 2025 · Article
5 min read
3 unexpected AI-powered strategies for improving your vessel efficiency
AI hype is everywhere, and the maritime industry is no exception. How can...
Ammonia as fuel by Wärtsilä
7 Jul 2025 · Article
10 min read
Ammonia as marine fuel? Benefits, challenges, and smart adoption
Adopting ammonia to fuel ships can decrease greenhouse gas emissions. How will it...
Wärtsilä service employee at work
24 Jun 2025 · Article
5 min read
12 amazingly simple ways to slash ship maintenance costs
Ship maintenance can be costly and time-consuming for owners and operators. To make it...
Engine room on Allure of the seas
18 Jun 2025 · Article
5 min read
How to protect ship crews from the biggest cause of engine room fires
Two out of three ship fires start in the engine room. What are the 4 top steps...
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...
Wärtsilä engine transportation
5 Jun 2025 · Article
7 min read
Planning a newbuild vessel? 6 eye-opening reasons a warranty is not enough
If you are planning a new vessel, you may think that as long as you have...
12 May 2025 · Article
3 min read
Wärtsilä Underwater Services and Megatugs Forge Strategic Alliance to Elevate Maritime Support Services
Wärtsilä and Megatugs team up to offer...

Webinars

3D rendering of a vessel with Carbon Capture and Storage
28 May 2025 · Webinar
Get a competitive edge with these 3 tips on onboard carbon capture
Experience our online event and get the insights of carbon capture!
Container vessel animation
25 Feb 2025 · Webinar
How advanced digital twins and AI help optimise vessel performance
Watch our insightful webinar where industry experts reveal how AI and digital...
Three simple ways that data and AI can save you money in vessel operations
20 Nov 2024 · Webinar
Three simple ways that data and AI can save you money in vessel operations
Watch this insightful webinar where industry experts reveal three...
Methanol 32 with engineers
24 Oct 2024 · Webinar
Cyber requirements: how to meet them with the power of type approvals
Watch this interesting webinar and you will learn more about the cyber type...
17 Jan 2024 · Webinar
New methanol engines: how will they power the future?
Watch this interesting webinar and you will learn how the new methanol engines will power the...
14 Nov 2023 · Webinar
Tech Talk - What does the future hold for small merchant vessels?
Follow a fascinating panel debate! You will get insight that helps you develop...
Cargo ship at sea
25 Oct 2023 · Webinar
How to reduce methane slip – winning tactics for your maritime business
Watch this interesting webinar and you will learn how to reduce methane slip...
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,...
17 Jan 2023 · Webinar
Carbon Intensity Indicator (CII) – Data tools to help you improve your fleet’s CII ratings
Building resilient maritime education in 2022 and...

Whitepapers

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 testing equipment
White paper
32 pages
eGuide: Expert advice: How to deal safely with ammonia on board ships
This safety essentials eGuide draws from Wärtsilä’s experience in ammonia as...
Wärtsilä service employee at work
White paper
20 pages
White paper: How to make the best maintenance plan for your ship – the simple way
Proper planning is the key to a successful maintenance or overhaul...
Aerial top view Tug boat drag container ship to sea port for unloading container
White paper
28 pages
White paper: How to solve the top 4 problems everyone has in merchant shipping operations
Four burning problems are common to every merchant...
high speed Seajet passenger vessel leaving port of Piraeus to Aegean Cycladic island destination
White paper
20 pages
White paper: How to spend less on ship fuel and make amazing savings every sailing
How to cut operational costs? How to meet the tightening...
Wärtsilä employee in front of an engine running with Ammonia
White paper
16 pages
White paper: Excited about ammonia as a marine fuel? 6 things you need to know
The six most important things about ammonia as a marine fuel –...

Case studies

Group of people in front of a ship bridge
Case study
Norwegian Cruise Line Holdings Ltd.
How can cruise lines get the most out of Wärtsilä fleet optimisation tools? Learn how Norwegian Cruise Line...
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...
Fairwater tanker in sea
Case study
Fairwater
Fairwater wanted to optimise performance, save fuel and improve routes. Read the case study to learn how Wärtsilä’s Fleet Performance...
Very large crude carriers Al Funtas © Kuwait Oil Tanker Company S.A.K.
Case study
Kuwait Oil Tanker Company S.A.K.
KOTC achieved 6% fuel savings on their VLCC vessel with one easy-to-install solution. How? Discover the benefits of...
Vessel Traffic Management System for the Port of Callao
Case study
Port of Callao
Want to learn how to reduce piracy at a port? A new Wärtsilä VTMS at the Port of Callao in Peru practically eliminated it in its...
LNG carrier Dapeng Princess at the terminal
Case study
Dapeng Princess LNG carrier
An engine problem takes your ship out of service – who do you call? CLSICO called Wärtsilä, who fixed its LNG carrier in...
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...
Lavender new ferry Shin Nihonkai Ferry Co., Ltd.
Case study
Shin Nihonkai Ferry
Find out how Wärtsilä fixed the problem of high gearbox bearing temperatures for two of Shin Nihonkai Ferry’s vessels.
Wasaline Aurora Botnia
Case study
Wasaline’s Aurora Botnia
Find out how the Wärtsilä Charge air filter upgrade can improve engine room air quality and cut fuel use.

Podcasts

20 Jun 2025 · Podcast
5 min listen
Four top tips for future-proofing your newbuild vessels
Discover four expert strategies to future-proof newbuild vessels: flexible design,...
19 Jun 2025 · Podcast
5 min listen
How smart engine optimisation is one easy way to minimise methane slip
Are you looking to reduce methane slip from your LNG-powered vessel? Discover...
6 Jun 2025 · Podcast
6 min listen
Three amazing ways to reduce vessel propulsion power and cut methane slip
Energy-saving technologies are a great way to cut vessel fuel use and...
6 Jun 2025 · Podcast
5 min listen
Three fascinating ways you can avoid low loads and reduce methane slip
Avoiding low loads is a great way to minimise methane slip from LNG-powered...
6 Jun 2025 · Podcast
5 min listen
Why good maintenance is a powerful tactic to cut methane slip from ships
What is methane slip and why should you care about it? What smart tactics...
6 Jun 2025 · Podcast
4 min listen
How to cut methane slip: winning tactics for maritime businesses
What is methane slip and why should you care about it? What smart tactics can you...