Thierry Dubois has specialized in aerospace journalism since 1997. An engineer in fluid dynamics from Toulouse-based Enseeiht, he covers the French commercial aviation, defense and space industries. His expertise extends to all things technology in Europe.
The pros and cons of the different fuel-cell types should be considered carefully for hydrogen-powered aircraft, as well as liquid-hydrogen production sites, says Bauhaus Luftfahrt, a Munich-based aviation science and technology think-tank.
No fast lane is in sight for the introduction of sustainable aviation fuels (SAF) in significant quantities, as producers still have to cope with complex processes and high costs, French oil giant TotalEnergies says.
Yet many of those companies are small- and medium-size businesses and finding the time and money is a serious hurdle for them, industry observers warn.
