Federal regulators approved a proposal from the nation’s largest grid operator that will give primacy to 50 new power plants, ...

Louisiana Gov. Jeff Landry announced the state will resume executions after a 15-year hiatus, potentially using the experimental method nitrogen hypoxia.

Louisiana will seek to resume carrying out death sentences in the coming months after a 15-year pause, this time using nitrogen gas as the execution method, the state’s attorney general said Tuesday.

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If nitrogen hypoxia is used, an inmate breathes 100 percent nitrogen, which causes suffocation. Louisiana is one of four states that have approved it for executions.