Repealing the Clean Power Plan will save $33 billion in costs passed onto energy consumers, according to senior Trump administration officials.

The Environmental Protection Agency formally began the process of repealing the Obama era rules on limiting carbon emissions of power plants on Tuesday, with Administrator Scott Pruitt declaring the “war on coal is over.”

The EPA entered a Notice of Proposed Rulemaking into the Federal Register, and will be open 60 days for public comment.

White House officials said repealing the regulations, which set strict emission standards for coal-burning power plants, was following through on President Donald Trump’s promises to protect the coal industry.