Propulsion-hydrogen

Industry players, including Leonardo, Rolls-Royce and Sonaca, are urging EASA to engage during research into next-generation single-aisle aircraft programs.

Fabrum has developed a lightweight composite tank for cryogenic liquid hydrogen that cuts fuel losse and refueling time, with flight tests expected in 2027.

Unither Bioelectronics is preparing to fly its hydrogen-electric-powered helicopter testbed on liquid hydrogen.

ZeroAvia's new CEO says the hydrogen-electric startup has stabilized and plans its first ZA200 power system deliveries in 2027.

After Airbus announced it would delay plans to field a hydrogen-powered airliner, researchers on the topic are challenging conventional thinking.

New Zealand fuel-cell startup; Double Box Tail advances; hybridizing the Rotax; extending electric training flights.

Nimbus completed flight tests of a scale model for its hybrid-electric N1000 light business jet; sizing the propulsion system is next.

Crux Aerospace partners with NZAero to develop a hydrogen-electric version of the 750XL utility aircraft after acquiring test assets from Stralis.

The research forms part of Clean Aviation’s goal to raise technology and certification readiness levels to 6 by 2030.

Beyond Aero has partnered with London City Airport and Aeroports de la Cote d'Azur to explore infrastructure for its hydrogen-electric business aircraft planned for the early 2030s.

A NASA-funded project has demonstrated an electric powertrain combining cryogenically-cooled power distribution with a superconducting electric motor to increase efficiency and power density.

Yacht composites to aircraft, Caravan hydrogen conversions, electric light sport aircraft, and fuel-cell propulsion for ultralights.

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.