Thinking of it, it’s likely he’d allow these private enterprise firms to spend a hell of a lot of capital on this first, then nix it.
More fun that way. Also, it's the only way he could be sure it's economically big enough to make an issue about and get the sheep going. And, the Chinese and the Russians, who he may have some issues with but favors over the US, would get cheap energy, because they wouldn't be upset by the foolishness once the US developed the technology.