Cover Beyond Aero, a French aviation startup, has unveiled the design of a private aircraft powered by carbon-neutral fuel, known as the BYA-1 (photo: Beyond Aero)
Beyond Aero, a French aviation startup, has unveiled the design of a private aircraft powered by carbon-neutral fuel, known as the BYA-1 (photo: Beyond Aero)
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As technology evolves and environmental concerns mount, the aviation industry is turning its attention to carbon-neutral energy solutions.
According to the report Adopting Sustainable Aviation Fuel Technology: Trends and Insights, published by EY in April 2023, the aviation sector is beginning to transition from conventional fuels to biofuels and synthetic alternatives in pursuit of the goal of “net zero air travel”, meaning zero net CO₂ emissions.
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In response, numerous airlines across the globe have begun pursuing sustainable development while continuing to meet the needs of international travellers. Virgin Atlantic, the British airline founded in 1984, is among the pioneers embracing sustainable aviation fuel. In late 2023, the airline successfully trialled a flight powered entirely by sustainable fuel, travelling from London to New York.
As more carriers invest in greener technologies, the industry is inching closer to a future in which environmental impact is significantly reduced.
Beyond Aero: the potential future of electric private jets
In March 2025, Beyond Aero revealed the design of its zero-emission private jet, a carbon-neutral model the company intends to launch by 2030. Designed to be more cost-effective and up to 50 per cent quieter than traditional jets, the aircraft represents a bold step towards more sustainable air travel.
The jet, named BYA-1, features a 10-seat configuration and runs on a hydrogen fuel cell system that does not rely on batteries. Instead, it generates electricity through a chemical reaction between hydrogen and oxygen, a different approach from energy storage methods typically used in electric aircraft.
Hydrogen offers superior energy density compared to lithium batteries. However, it requires significant space, which can limit passenger and cargo capacity. Still, Beyond Aero states that with a 250kg hydrogen payload, the aircraft can accommodate six passengers, fly up to 1,482 kilometres at 575 kilometres per hour, and cruise at an altitude of 8,000 metres, all while retaining a safe fuel reserve.
Above Concept image of Beyond Aero’s BYA-1 sustainable private jet (photo: Beyond Aero)
Concept image of Beyond Aero’s BYA-1 sustainable private jet (photo: Beyond Aero)
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The aircraft also benefits from a low-temperature electric propulsion system and a modular engine design, making maintenance and part replacement more efficient. These innovations, according to the company, can reduce operating costs by as much as 50%. In addition, the electric jet engines are expected to lower perceived noise levels by over half compared to conventional private jets.
In early 2024, Beyond Aero announced the successful manned test flights using hydrogen fuel. Eloa Guillotin, the company’s CEO and founder, called it a major milestone that she believes signals a fresh chapter for carbon-neutral aviation. Guillotin expressed hope that the industry will one day operate entirely on electric propulsion.
Above Beyond Aero is also actively working with regulators to bring the BYA-1 into commercial operation
Beyond Aero is also actively working with regulators to bring the BYA-1 into commercial operation. The company is simultaneously constructing a facility to develop hydrogen tanks, fuel cells, and electrical systems.
Sustainable fuel: the inevitable trend in luxury aviation
Beyond Aero is not alone in its optimism. A growing number of airlines and industry leaders are confident that the future of flight can respond meaningfully to the climate crisis.
Ronald Lam, CEO of Cathay Pacific in Hong Kong, shared that sustainability lies at the core of the airline’s operations. The company is committed to building a lifestyle that is both responsible and sustainable, for this generation and the next. In support of this, Cathay Pacific has introduced the Greener Together initiative in collaboration with its partners, aiming to reduce emissions and preserve the natural ecosystem.
Above Ronald Lam, CEO of Cathay Pacific in Hong Kong, said the airline is implementing various projects to build a sustainable and responsible lifestyle
Ronald Lam, CEO of Cathay Pacific in Hong Kong, said the airline is implementing various projects to build a sustainable and responsible lifestyle
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Elsewhere, Glenn Llewellyn, Vice President of Zero-Emission Aircraft at Airbus, noted that innovation could play a pivotal role in reducing aviation-related emissions over the coming decade.
Still, Llewellyn cautions that there is no singular solution to climate change. He emphasised that a combination of efforts is necessary, from renewing fleets and refining air traffic management to the adoption of sustainable fuels.
Encouragingly, Llewellyn also believes hydrogen propulsion could emerge as a viable alternative. He suggests that it might allow the introduction of zero-emission aircraft into commercial service by 2035 and serve as a major driver in helping the industry meet its long-term climate goals.
Recent projections from Research and Markets further underscore this momentum, estimating that the carbon-neutral fuel market could reach US$3.92 billion by 2028. This shift signals a growing commitment among global airlines to invest in more eco-conscious technologies.
Luxury carriers are also embracing change. Cassie Mackie, Vice President of Procurement and Supply Chain at Etihad Airways, revealed that the airline is working with Japan-based ITOCHU and NESTE to integrate sustainable fuel into its operations, a step that may encourage wider adoption across the industry.
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Etihad is also partnering with carbon conversion firm Twelve in pursuit of net zero emissions by 2050. The company employs a process that uses renewable energy and water to convert carbon dioxide into chemicals and materials typically derived from fossil fuels. This method cuts lifecycle emissions by as much as 90 per cent, and can be used with existing aircraft systems.
The benefits of sustainable fuel extend well beyond environmental metrics. According to David Morgan, COO of easyJet, such carbon-neutral solutions not only lessen climate impact, but also help protect the economic and social value that aviation offers globally. For short-haul routes, Morgan said easyJet is exploring hydrogen fuel as a means to eliminate carbon emissions entirely.
Joanna Geraghty, CEO of JetBlue Airways in New York, sees another advantage: talent retention. She believes the adoption of sustainable fuels fosters a sense of pride among employees, especially flight crews, who view JetBlue as an empowering and forward-thinking place to grow their careers.
