Airbus studying hydrogen technology readiness
Airbus would require laboratory validations equivalent to a technology readiness level (TRL) of 3 or 4, according to Mathias Andriamisaina, head of ZEROe demonstrators and testing, in order to choose a propulsion system for its ZEROe hydrogen aircraft in 2026–2027, as reported by Aviation Week. The contest is essentially between the two prime technological pathways