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by _Microft 927 days ago
The German federal government is funding Wendelstein 7-X, a large, experimental fusion reactor of the stellerator type, to a high degree (9/10 of 80% = 72% as it seems?), so this statement cannot be true in general (maybe you are thinking only of nuclear fission research?).
1 comments

Stellarators (like tokamaks) have terrible volumetric power density, so it's really doubtful they can ever be made economically competitive, even with fission as it currently exists.