Every Action Counts: Ultranav Starts Trial with Behaviour Change Service Signol to Minimise CO₂ Emissions

Press release: Ultranav is launching a six-month trial with Signol – a behaviour change service designed to encourage fuel-saving practices among crew members. February 3, 2025

Copenhagen (DK) & London (UK), 3rd February 2025. Small adjustments in daily operations can lead to real fuel savings and lower emissions. To support this, Ultranav is launching a six-month trial with Signol – a behaviour change service designed to encourage fuel-saving practices among crew members.

The trial will run across 19 Ultranav vessels as an additional initiative to save fuel and reduce emissions.

Signol is a tech-enabled behaviour change service that helps shipping companies fully engage crews in reducing emissions through their everyday tasks. Using behavioural science, Signol motivates crew members to make more sustainable and fuel-efficient decisions through a web app and targeted emails. Examples include:

• Personalised goals based on each crew member’s past actions
• Real-time view of personal impact on fuel and emissions, framed in tangible, real-world terms
• Insight-driven recommendations showing opportunities to save fuel, based on what other crew members have done in similar situations

Signol’s approach has reduced fuel consumption and emissions by 4–12% for maritime clients.

“Even small adjustments to our daily routines can contribute to the overall goal. Signol’s data-driven approach aims to motivate and inspire the crew to adopt these changes rather than impose decisions upon them, and this is an approach we value.”
— Bas Blaak, Head of Energy Efficiency & Sustainability, Ultranav

The trial supports Ultranav’s greenhouse gas strategy and its goal of a zero-emission fleet by 2050. Signol will complement Ultranav’s other sustainability initiatives, including fleet optimisation, improved vessel performance, and environmental partnerships.

To maximise impact during the trial, Ultranav and Signol have worked together to customise the service for the specific operational needs of each vessel type.

Bas Blaak, Head of Energy Efficiency & Sustainability, explains the value of the initiative:

“We recognise the significant potential in Signol’s service and firmly believe that every tonne of saved CO₂ counts. Even small adjustments to our daily routines can contribute to the overall goal. Signol’s data-driven approach aims to motivate and inspire the crew to adopt these changes rather than impose decisions upon them, and this is an approach we value. We look forward to following the results from the trial.”

Harriet Hunnisett Johnson, Head of Maritime at Signol, adds:

“We are delighted to be working with Ultranav to harness the power of their vessel crews for enhanced fuel efficiency. A major benefit of combining data analysis and behaviour change in fuel efficiency initiatives is that we can identify the specific opportunities for fuel-saving onboard different vessels and in different contexts, which enables shipping companies to focus on where they will see the most impact. With strong collaboration from Ultranav and its entities involved in the project, Signol has tailored its behaviour change service for different vessel types which will promote relevant fuel-saving behaviour in each of these operational contexts.”

In 2024, Ultranav participated in Signol’s investment round. This trial is part of a three-year contract between Signol and Ultranav, supporting Ultranav’s broader fuel efficiency initiatives and offering an opportunity to test the service on different vessel types. After the trial, the results and process will be evaluated for further consideration.

About Ultranav
Ultranav is a privately owned group of shipping companies with offices in 19 countries. Through twelve businesses, we operate in five market segments: tankers, gas, dry bulk, coastal trades, and towage & offshore. We operate a fleet of gas and chemical carriers, tankers for crude oil and clean petroleum products, bulk carriers, feeder container ships, multipurpose vessels, harbour tugs, PSVs, AHTS vessels, pusher tugs, barges and pilot boats.

Ultranav aspires to be a partner you can trust to provide efficient and safe maritime transportation services to the mutual benefit of our customers, employees, communities and the environment.

About Signol
Signol is a sustainability-focused behaviour change service, currently working with the maritime and aviation sectors. It uses data and behavioural science to motivate and engage employees towards more sustainable decisions.

Signol delivers this through a scalable communications platform using behaviour change techniques designed to reduce the barriers that make it harder for crew members to act on their opportunities to save fuel.

Signol has already saved aviation and shipping customers $25 million in fuel costs and more than 100,000 mt of CO₂ emissions, reducing fuel consumption by 1–12%.2%.