Universal Hydrogen's modified Dash 8 incorporates the hydrogen fuel cell propulsion system in place of the Pratt & Whitney PW123 turboprop on its right wing.
VoltAero's Cassio 330 features a 330 kW electric-parallel hybrid propulsion system built around a Kawasaki piston engine, with an electric motor from Safran.
GE Research has been selected to receive $2.9 million to design, manufacture and test a composite tank capable of carrying 20 kg (44 lb.) of liquid hydrogen.
Boom Supersonic has sized the facility to produce up to 33 Overture aircraft per year and expects to start rolling out its Mach 1.7 airliner from 2026.
A study by German aerospace center DLR also shows that further reductions in climate impact are possible by switching to hydrogen as an aviation energy source.
Joby’s S4 electric-vertical-takeoff-and-landing aircraft are scheduled to begin rolling off the final assembly line at Dayton International Airport in 2025.
Seeking to accelerate production and deployment of sustainable aviation fuel (SAF), the Roundtable on Sustainable Biomaterials (RSB), supported by Boeing, has released a study highlighting the potential for producing SAF and other biomaterials within sub-Saharan Africa