alt Hacker NewsWhat from I understand the issue is mainly service frequency rather than fuel efficiency.
Also, the domestic commercial jet market is still sizable, so excluding the domestic market from analyses is kinda weird.
Finally, lots of countries are spooked by arbitrary US sanctions and want to diversify.
Yes I think eventually they will catch up because the Chinese domestic market is big enough to give them a market while they iterate.
With petrol/diesel engines they just gave up and went straight to electric, but there's no viable alternative to jet engines for planes, so they'll put in the work (plus the military incentive running in parallel)