Propulsion-hydrogen

By Steve Trimble
A new fleet of small, hydrogen-powered, long-range drones could soon become a feasible option to operate from remote, austere bases.
Aircraft & Propulsion

By Tony Osborne
GKN Aerospace is rerouting its hydrogen propulsion development road map.
Aircraft & Propulsion

By Guy Norris
The aim of the tests was to measure the microphysical properties of the contrails resulting from direct hydrogen combustion under real atmospheric conditions.
Emerging Technologies

By Graham Warwick
Jet VTOL UAS; CycloRotor flies; cargo gyroplane; and electrified trainer.
Emerging Technologies

By Graham Warwick
First hydrogen helicopter, flying quiet electric ducted fans, UK funds AAM enablers, and Rotax engine runs on hydrogen.
Emerging Technologies

Aviation Week Network Staff
Readers write about decarbonization efforts in aviation, multipurpose military aircraft, small electric aircraft, and Cold War-era missile defense.
Aviation Week & Space Technology

By Graham Warwick
Unither Bioelectronics has accomplished the first flight of a hydrogen-powered helicopter in Canada.
Advanced Air Mobility

By Graham Warwick
A Rotax piston aeroengine, a popular powerplant for light aircraft, has been converted to run on hydrogen by Austria-based Bosch Aviation Technology.
Advanced Air Mobility

By Graham Warwick
The installation of a fuel cell system in a flying testbed is being prepared by German startup Hyfly as it progresses development of a hydrogen-electric powertrain for light aircraft.
Advanced Air Mobility

By Jens Flottau, Thierry Dubois
Airbus has given some early insights into the basics of its future narrowbody. An open-rotor engine clearly remains its favorite option.
Emerging Technologies

By Graham Warwick
Key collaborations have been announced by Australia’s fledgling sustainable aviation industry to advance development of electric- and hydrogen-powered aircraft.
Advanced Air Mobility

By Graham Warwick
ZeroAvia and Reliable Robotics are studying the integration of hydrogen-electric propulsion onto a Cessna with automation tech to make an uncrewed aircraft.
Advanced Air Mobility

By Jens Flottau
During a two-day “Airbus Summit” held in Toulouse, the manufacturer unveiled initial concepts of what a future single-aisle aircraft could look like.
Aircraft & Propulsion

By Thierry Dubois, Guy Norris
Airbus is focusing on a “realpolitik” approach to accelerating innovation into products in the nearer term.
Emerging Technologies

By Guy Norris
Airbus’ decision to postpone development of a hydrogen-powered airliner may have slowed chances for adoption, but it should not impede continuing research.
Aircraft & Propulsion

By Thierry Dubois
The aviation industry should continue to prepare for the introduction of hydrogen-powered aircraft in the future, ACI Europe President Armando Brunini said.
Aircraft & Propulsion

By Thierry Dubois
Beyond Aero has unveiled major changes in the design of its One business jet, a 6- to 8-seat, 800 nm-range aircraft relying on hydrogen-electric propulsion.
Aircraft & Propulsion

By Graham Warwick
Seaglider prototype debuts, fuel-cell flights, Delta backs BWB, and improving fuel cells.
Emerging Technologies

By Graham Warwick
German hydrogen-powered aircraft developer APUS Zero Emission has entered insolvency administration in a bid to restructure and secure an investor.
Advanced Air Mobility

Aviation Week Staff
Readers write about next-generation fighters, future widebodies and the feasibility of hydrogen propulsion in aviation.
Aviation Week & Space Technology

By Jens Flottau
The association questions whether airlines can achieve net-zero emissions by 2050, receiving applause from the industry and criticism from environmental groups
Safety, Ops & Regulation

By Graham Warwick
Cooling megawatt fuel cells, a hybrid-electric regional jet and a streetwise flying car.
Emerging Technologies

By Graham Warwick
A turbofan dumps its waste heat into the engine exhaust, adding to thrust.
Advanced Air Mobility

By Graham Warwick
Green Aerospace has been founded by CEO David Green, who previously worked with U.S. electric propulsion unit startup H3X.
Advanced Air Mobility

William Todts
There are three lessons to take away from Airbus’ admission that it is delaying its hydrogen-fueled aircraft dream.
Safety, Ops & Regulation