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In a remarkable demonstration of Mazda’s innovative approach to cleaner driving, 12 of the latest 2025 Mazda CX-30s completed an epic 1,344-mile journey from the shores of the Baltic Sea in Malmö, Sweden, to the Arctic town of Tromsø in Norway – all powered entirely by 100% sustainable fuel.
The cross-border adventure through Sweden, Finland, and Norway wasn’t just about scenic landscapes – it was a real-world test of Mazda’s multi-solution powertrain strategy, proving that sustainable fuels can make a tangible difference in cutting emissions without compromising performance.
Under the bonnet of these 2025 CX-30s was Mazda’s new 140ps e-Skyactiv G 2.5-litre petrol engine, equipped with cylinder deactivation and paired with Mazda’s M Hybrid mild-hybrid system. Recently introduced to the CX-30 and Mazda3 line-ups, this advanced engine offers improved fuel efficiency and lower emissions compared to the previous 2.0-litre option – all without needing any modifications to run on sustainable fuel.
The sustainable fuel used on the journey was developed by SUSTAIN – a second-generation biofuel made from agricultural waste, offering a low-carbon alternative to fossil fuels. Unlike traditional fuels, SUSTAIN’s biofuel captures carbon from the atmosphere through plant growth and releases it again during combustion – creating a more balanced carbon cycle.
With fuel economy exceeding 40mpg on average, this Arctic expedition highlighted how biofuels can power modern vehicles efficiently and reliably, even in some of Europe’s most challenging climates.
Mazda’s commitment to sustainability doesn’t stop here. Since 2023, Mazda UK has powered its Heritage Fleet using sustainable fuel, and the brand continues to push boundaries: from a sustainable-fuelled MX-5 lapping racetracks across all four UK nations, to a Land’s End to John O’Groats drive – all without relying on fossil fuels.
Jeremy Thomson, Managing Director at Mazda Motors UK, commented:
“At Mazda, we remain committed to developing internal combustion engines alongside our electric vehicles. This journey to the Arctic is proof that advanced engines and sustainable fuels can work hand-in-hand to reduce emissions now – not just in the future.”
He added,
“By completing this 1,300-mile drive with SUSTAIN biofuel, each CX-30 saved approximately 317kg of CO₂ compared to using fossil fuels. It’s a compelling example of what’s possible today.”
David Richardson, Director at SUSTAIN, reinforced the importance of awareness:
“There are still millions of combustion cars on the road. This drive proves that with sustainable fuels, we can immediately cut emissions. It’s vital we raise awareness and scale up production – there’s no one-size-fits-all solution, but this is a huge step forward.”
Mazda's journey from the Baltic to the Arctic reinforces its belief that no single technology will solve the environmental challenges we face. Instead, Mazda’s multi-solution strategy – including petrol, diesel, hybrids, plug-in hybrids, EVs, and sustainable fuels – offers a flexible and impactful way forward.
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