Helion might not work out like they hope but if it does, it'll use aneutronic fuel, producing only 6% of its energy as neutron radiation. That's low enough that they don't need a heat cycle, which gives them a shot at a pretty low cost per kWh. I think they've estimated four cents, which is pretty good for scalable, dispatchable power without batteries.

The UK recently announced a regulatory regime for fusion, with significantly lighter requirements than fission since safety and proliferation issues are much less troublesome. That would be even more the case for aneutronic fusion. Possibly the US would be silly enough to get in the way but many other countries certainly wouldn't, including China.