No single solution will decarbonise aviation alone. The sector will need a portfolio of technologies and policies working together. Sustainable aviation fuels remain limited in supply and are expensive, while batteries can’t yet deliver the range needed for regional or commercial-scale aviation. In December last year, Stralis successfully completed a hydrogen-electric powered propeller spin test on Clyde, a registered six-seat Beechcraft Bonanza aircraft at Brisbane Airport. The process used hig