New research from Adelaide University outlines the roadmap for hydrogen-powered commercial flights, tackling everything from fuel production to airport refueling infrastructure. With aviation responsible for 14% of global transport emissions, this study—analyzing 138 papers—goes beyond engines to spotlight critical gaps: how to supply hydrogen at airports, future fuel demand, and the physical space needed. Safety protocols must evolve too, since hydrogen behaves differently than jet fuel. Without government backing and airline investment, airports won’t build the costly infrastructure. Australia, with its renewable energy potential, is uniquely positioned to lead. While hydrogen flights aren’t imminent, this research clarifies the multi-faceted path forward—requiring tech, infrastructure, investment, and long-term planning to make clean aviation a reality.
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