The divide between red and blue states could warp how the U.S.’ first real climate law takes shape.
The historic spending package is also forecast to create up to 9 million new jobs, lower electricity bills and prevent thousands of premature deaths.
The court just made it much harder for the federal government to respond to climate change.
The new rule is a climate win, requiring cars and light-duty trucks to average at least 55 miles per gallon by 2026.
The Biden administration wants automakers to raise gas mileage and cut tailpipe pollution between now and model year 2026.
But there are some big “ifs.”
Replacing coal with fuels like natural gas and wood may offer some climate benefits, but the harm to public health remains.
One senator called it “the most important environmental vote of this decade.”
Lawmakers are looking to the Congressional Review Act to restore Obama-era rules limiting emissions of the super-pollutant.
Researchers have outlined a way to make more sustainable fuel from waste like cooking oil, food scraps, manure and sewage. But not everyone is convinced.