Originally Posted by veganbikes

I would look at Forge + Bond, they are using Fusion Fiber technology which is a forged carbon technology. Essentially no need for the same old layup process, waste or epoxy and resin. So the idea is a stronger rim without extra weight that you can recycle and also can be more comfortable.
This is more info on the Fusion Fiber technology:
https://www.csscomposites.com

Forge + Bond has rims so you can build them with whatever hubs you want.