[umanwizard]

You can, or at least could 5 years ago or so (and I bet you still could now).

However, it involved finding some random blog post on how to do it, and then even once I got it up and running there were some issues like the fans being pegged at 100%. Still, it was mostly functional.

[josephg]

I can speak to that via scuttlebutt from ex-apple friends. Apparently the intel power management code running in macos includes proprietary code from intel that they weren't comfortable opensourcing, for weird reasons.