Hydrogen propulsion in aviation faces significant technical and market challenges.

Developed by China's AECC, the CJ-1000A has been developed as an alternate powerplant for the Comac C919 narrowbody airliner.

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

While the EC has initially referred to a 5% SAF incorporation target for 2030, the industry has been lobbying for a greater proportion.

The complex path to hydrogen propulsion, and why air travel will get more expensive.

Ampaire has begun flight-testing propulsion electrification technologies on its hybrid-electric testbed aircraft under contract to ARPA-E.

Leonardo has conducted the first flight of its re-engined AW09 single-engine light helicopter.

Universities advance sustainability, robotic toolmaking, contactless braking and stratospheric batteries.