The same forces that led to the demise of Universal will also threaten ZeroAvia, as well as the other lesser-capitalized startups in the hydrogen space.

Thermal management specialist Intergalactic has unveiled a curved microtube configuration for next-gen propulsion systems and other aerospace applications.

Stratolaunch says a series of envelope expansion flights have allowed its Roc carrier aircraft to launch the Talon-A hypersonic test vehicle from 35,000 ft.

Boom says initial combustor rig testing forms the first phase of a two-phase pressure drop test.

Emirates officially joined Cambridge’s Aviation Impact Accelerator (AIA) group as an industrial partner in May.

American Airlines has signed a conditional purchase agreement with ZeroAvia for 100 hydrogen-electric engines to power regional jets.

Embraer spinoff Eve Air Mobility has secured a further $94 million in equity financing from multiple investors.

Start-up zero-emissions propulsion developer Universal Hydrogen has been forced into liquidation after failing to raise additional funding.