Say goodbye to the Mass. clean energy boom. But a comeback may be in the offing

Last week was a weird one for the Massachusetts climate technology sector.

It began with U.S. Secretary of Energy Chris Wright visiting Massachusetts Institute of Technology and Commonwealth Fusion, a Devens startup that is developing a system to produce power from nuclear fusion reactions. (The latter visit led to a rare photo of Gov. Maura Healey with a Trump cabinet member .)