Propulsion-hydrogen

H2FLY expects hydrogen-electric regional aircraft to rely primarily on fuel cells within three to four years.

Germany is funding development of a modular hydrogen fuel-cell retrofit propulsion system for ultralight aircraft.

UK zero-emission flights; Sikorsky VTOL Nomad; autonomous freighters; and hybrid-power cargo eVTOL.

ZeroAvia’s senior leadership still believes future zero-emissions flight will be fueled by hydrogen.

The UK’s Department for Transport has unveiled funding for eight projects to demo the viability of zero-emission flights using electric and hydrogen power.

UK CAA advances hydrogen aviation through demonstration projects and targets initial commercial operations by 2035.

Zero Emissions Aerospace (ZeAero%) plans to retrofit a Cessna Caravan with liquid hydrogen fuel cells, targeting zero-emission propulsion and a 400 nm range.

Airbus’ February 2025 announcement to delay plans to field a hydrogen-powered airliner sent shockwaves throughout its supply base.

Airbus and MTU Aero Engines plan to formalize their efforts to work together on hydrogen fuel cells by establishing a joint venture set to be in place in 2027.

UK regional airline Loganair is exploring the use of hybrid- and hydrogen-electric aircraft on short range regional routes.

Dutch startup Conscious Aerospace believes retrofitting existing regional aircraft offers the most practical path to bringing hydrogen-electric propulsion into commercial service.

Laminar flow and cryogenic propulsion top technology lists in the NASA studies.

Lockheed’s printed attack drone; flying on solid-state batteries; Embraer tests hydrogen; and SAF from cow manure.

Embraer is preparing to begin tests in a fuel-cell rig as it explores the potential of hydrogen as a fuel to decarbonize aviation.

A study by Airbus-backed think tank Bauhaus Luftfahrt estimates the societal costs of aviation's climate impact for different decarbonization pathways.

Indian startup BluJ Aerospace is developing a family of electric and hydrogen-electric VTOL aircraft aimed first at cargo and logistics missions, with passenger service planned as a longer-term goal.

AeroDelft, a student-run foundation at Delft University of Technology in the Netherlands, has begun taxi tests of a gaseous hydrogen-fueled light aircraft.

The Hydrogen in Aviation Alliance says a combined $251 million in funding is planned to be invested in hydrogen-powered aviation research and development.

The latest flights advance United Therapeutics’ hydrogen-electric helicopter program beyond hover testing into more complex flight operations.

Editors examine Joby Aviation’s piloted New York City demos and Unither Bioelectronics’ hydrogen-electric R44 flights in Quebec as AAM moves closer to real-world deployment.

As Rolls-Royce wraps up hydrogen-fueled engine tests, attention focuses on dual-fuel, combustion and cryogenic capabilities.

Norwegian eSTOL trial; advanced drone batteries; hybrid powerplants delivered; and tackling fuel cell water problems.

Luxaviation has agreed to act as launch operator for French startup Beyond Aero’s planned hydrogen-electric business aircraft.

Demonstrating quantum CFD; improved hydrogen-electric propulsion; counter-UAS on an eVTOL; and fuel-cell/turbine combination.

Germany has launched a research program to develop the next generation of hydrogen fuel cell propulsion system components for a zero-emission commercial aircraft.