Fuel-cell single-aisle; Scaled flight testing; Modular hydrogen propulsion; and Impact-safe lithium battery.

Hydrogen-powered vehicles progressing on the rails, roads and at sea can inspire and inform aviation applications.

Rolls-Royce and program partner airline EasyJet have conducted test runs on an AE2100 turboprop powered by liquid hydrogen rather than conventional jet fuel.

Chinese lessors may offload their foreign exposures and buy up Chinese airline aircraft owned by non-Chinese lessors.

Combined-cycle engine breakthrough demonstration paves way for Quarterhorse test flights in 2023.

Operators of Rolls Royce Trent 800-powered Boeing 777s face mandatory fuel pump removals to correct an issue linked to thrust-loss incidents, EASA said.

Turkey’s new UCAV; U.S.-Japan missile defense test; Defense exec foresees supply chain price hikes; Space Force-Blue Origin agreement.

SAF from methanol; liquid-hydrogen demonstrator; improving ducted-fan eVTOL; and an uncrewed firefighting aircraft.