February 16, 2025
Wizz Air Completes 50 Flight SAF Trial at Charleroi Airport

Wizz Air Completes 50 Flight SAF Trial at Charleroi Airport

Wizz Air, Airbus, Moeve and Charleroi Airport have announced the successful completion of a 50 flight sustainable aviation fuel (SAF) operational trial.
Underside of a Wizz Air A320neo
Photo Credit: Wizz Air

Wizz Air has successfully completed a sustainable aviation fuel (SAF) trial in partnership with Airbus, Moeve, and Charleroi Airport.

During the trial, Wizz Air operated over 50 flights using a blend of SAF and traditional jet fuel, and conducted a survey to gauge passengers’ attitudes towards low-carbon aviation – with results revealing that over 70% of respondents believe in the positive impact of SAF.

This achievement comes at a crucial time, as new EU legislation requires airports to include a minimum amount of SAF in flights departing from EU airports starting January 2025. The trial represents a significant step forward in the aviation industry’s commitment to reducing its environmental impact.

Recent passenger surveys reveal a gap between environmental concerns and awareness of aviation’s sustainability efforts. This disconnect was a key focus at a media roundtable in Charleroi, where industry leaders discussed the path toward low-carbon aviation.

The discussions highlighted the need for improved communication strategies to bridge this knowledge gap and engage passengers more effectively in sustainability initiatives.

Wizz Air Trial of 50 Flights


The trial involved over 50 Wizz Air flights using a SAF-kerosene blend, following the mass balancing model. SAF technology can reduce lifecycle CO2 emissions by up to 90% compared to conventional jet fuel.

The project proved that SAF integration is feasible but highlighted needs for better infrastructure and cost management. These practical insights will help shape future implementation strategies across the aviation sector.

Understanding Passenger Perspectives


A comprehensive passenger survey revealed significant insights about attitudes toward sustainable aviation. Most notably, 58% of passengers would consider changing their travel habits for environmental reasons.

While 65% prefer flights with lower emissions, only a small portion would pay extra for this benefit. The survey also exposed that 74% of passengers were unaware of the upcoming SAF mandate, indicating a need for better public communication.

The majority of respondents (72%) supported increased government investment in SAF production, emphasizing the importance of public-private partnerships to meet future demand.

This strong show of support suggests a growing recognition of the need for collaborative efforts to achieve sustainable aviation goals.

A Wizz Air A321 in new livery.
Photo Credit: Wizz Air

Industry Leadership Comments


Yvonne Moynihan, Corporate & ESG Officer at Wizz Air, emphasized the trial’s success and the valuable passenger feedback received. She noted that while 71% of passengers recognize SAF’s benefits, many seek clearer information about its role, costs, and regulations.

Wizz Air plans to focus on passenger education while continuing its efficiency leadership through its modern Airbus fleet. The airline’s commitment to transparency and education marks a significant step in building passenger trust and understanding.

Airbus Head of SAF, Julien Manhes, stressed the need to increase both SAF supply and demand while reducing costs. He highlighted the importance of collaboration across the aviation sector to improve passenger engagement in sustainability efforts.

This industry-wide approach is crucial for developing comprehensive solutions to current challenges.

Moeve’s Director Álvaro Macarro reinforced the survey’s findings about affordability challenges and emphasized their commitment to expanding SAF production. The company’s focus on scaling up production capacity represents a crucial element in making sustainable aviation more accessible and affordable.

Charleroi Airport’s Sustainable Development Manager, Quentin Evrard, announced plans for financial incentives and local SAF production facilities, demonstrating the airport’s commitment to exceeding EU requirements.

These initiatives showcase how regional airports can play a pivotal role in advancing sustainable aviation practices.

Looking Ahead

The successful Charleroi Airport trial and subsequent discussions mark significant progress in aviation’s journey toward sustainability, while highlighting the ongoing need for improved infrastructure, cost management, and public awareness.

As the industry moves forward, continued collaboration between airlines, manufacturers, airports, and government bodies will be essential. A focussed effort will be necessary to achieve meaningful reductions in aviation’s environmental impact and meet increasingly stringent sustainability requirements.

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