Global mining giant Rio Tinto said it will invest $1.2 billion to modernize a hydroelectric power plant in Quebec, Canada.

The governor wants to repeal a freeze on nuclear energy voters put in place in 1982, after the Three Mile Island partial meltdown.

The company has announced plans to construct a small modular molten salt reactor (MSR) that will utilize existing stockpiles of spent nuclear fuel, mixed with thorium, to produce 100 megawatts of ...