Back in the last century, smart alecks said that commercial fusion would always be 50 years in the future. Now, energy consultant Wood Mackenzie has taken to discussing developments in nuclear fusion as if they might not be far off. A big change in view, considering that even recently, experts figured that harnessing nuclear fusion for commercial purposes was at least fifteen years away. In fact, the best-known international fusion effort, the ITER project based in France, projects an in-service date for its fusion reactor in the early 2040s (fifteen…

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