Airbus is conducting a flight-test campaign to study the water vapor exhaust from a hydrogen fuel cell system to understand if it will create a contrail.

Boeing is pointing to factory floor changes as keys to tracking metrics that, for now, are more relevant than familiar measuring sticks like production rates.

Liquid hydrogen (LH2) may be the promised panacea for aviation’s journey to net-zero, but getting there is going to be tough—particularly for the engine-makers.

The UK petroleum giant is scaling back plans to develop new sustainable aviation fuel (SAF) and renewable diesel production projects in Europe and the U.S.

Safran has made an investment in Estuaire, a Paris-based start-up company offering software tools to measure aviation's climate impact.

NASA and Boeing are moving the CST-100 Starliner Crew Flight Test mission return to Earth to enable further evaluation of the spacecraft's propulsion system.

The survey polled around 40 major aerospace and defense suppliers, who together generate $14 billion of industry revenue.

Airbus says it is targeting ambulance and medical services as an early market for its eVTOL system, follow the unveiling of its four-person CityAirbus NextGen.