Aircraft Manufacturing (OEMs)   Sustainability & Climate Initiatives  

CFM’s RISE Open Fan targets 20% better fuel efficiency, with durability for harsh environments

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CFM International’s RISE program is advancing an Open Fan engine architecture designed to improve fuel efficiency by 20% while withstanding hot, harsh operating environments. The development links potential performance gains with the durability requirements of real-world service.

Discovered 2026-11-13T02:19:21.742717-08:00 | 2026-11-13T02:19:21.742717-08:00

Briefing

What Hype is tracking

  • The RISE program’s 20% fuel-efficiency improvement target makes the Open Fan a significant technology pathway for reducing aircraft fuel use.
  • Engineering the design for hot, harsh environments highlights durability as a central requirement alongside efficiency; the summary does not specify a timeline or aircraft application.

Reported By

FlightGlobal
Sources Tracked
1
First Seen
2026-11-13T02:19:21.742717-08:00
Latest Update
2026-11-13T02:19:21.742717-08:00
Coverage
Aviation

Sources

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