Propulsion-hydrogen

Enabling contrail avoidance; hybrid regional demonstrator; next-generation HAPS; and quantum computing for R&D.

Country-specific policies around climate goals could complicate financial decisions by airlines and OEMs.

A permanent hydrogen refuelling station will be established at Teesside International Airport.

Both Universal Hydrogen and ZeroAvia are developing hydrogen-electric retrofits for the ATR 72.

Readers write about the F-135 engine, Sud Aviation Caravelle, Mars versus Moon trips, AW&ST student subscriptions and hydrogen propulsion for aviation.

Our roundup of the main aerospace and defense stories making the news this week.

CFM opens up on RISE testing while Pratt & Whitney explores a sustainable GTF growth path through an MTU-led Clean Aviation Switch research initiative.

Airbus is gathering clearer ideas on airport needs, but funding has yet to grow.

NASA has signed a new cooperative agreement with the University of Illinois Urbana-Champaign to extend work on a zero-emission aircraft propulsion concept.

Sakowin has made progress toward producing hydrogen from methane.

The company will now finalize the design for certification of the powertrain and its installation on the initial application, Cessna’s Caravan.

The three-year project is planned to culminate in a flight demonstration from Hamburg Airport in Germany.

The station will mark the first public refueling site for vehicles with hydrogen fuel cells in Ontario.

A hydrogen-powered Islander is just the start of a series of zero-emission aircraft planned by Cranfield Aerospace Solutions and Britten-Norman.

Reaping the benefit of decades of hydrogen-related research, Cranfield is expanding its work across aerospace applications of this zero-carbon fuel option.

DARPA picks nine for Ancillary; China’s drive/fly eVTOL; Alef’s flying car; and hydrogen future for training aircraft.

Safran has tested hydrogen combustion sub-systems for a turbine engine, as part of a European industry-wide hydrogen propulsion project for commercial aircraft.

Element 1 granted the new joint venture a worldwide exclusive license to its hydrogen generation technology for all aerospace applications.

Onera's Gullhyver concept for a 200-seat, 4,000-nm-range airliner is being studied under Europe’s Clean Aviation public-private research program.

French training aircraft manufacturer Elixir Aircraft plans to fly a turboprop-powered version of its two-seater by year's end.

Embraer and GKN Aerospace have announced they will explore the potential for a hydrogen-powered flight demonstrator.

Propulsion developer ZeroAvia and Mitsubishi Heavy Industries Regional Jet Aviation completed a study that identified an initial CRJ700 retrofit entry point.

Toulouse-based startup Beyond Aerospace plans to begin by flying a subscale fuel-cell powertrain in a two-seat ultralight aircraft.

Large airship aloft, ducted-fan high lift, tiltwing eVTOL UAV and flying on fuel cells.

German hydrogen-electric propulsion pioneer H2Fly has unveiled its next generation of fuel cell.