Though Republicans are not explicitly trying to repeal the Affordable Care Act, a series of small, technical changes would substantially reduce enrollment and increase the cost of coverage.
Electricity demand is surging for the first time in decades, partly because of data centers needed for A.I., and power companies are already struggling to keep up.
A House Republican bill introduced this week would do away with tax credits that had encouraged Americans to buy electric vehicles and automakers to invest in new factories.