The tax credits have been massively popular with companies, spurring new investments and boosting job growth, environmental benefits — and the price tag. But the “pay-fors” to fund these credits face political and legal headwinds, fueling doubts about whether Biden’s promise on deficits will ever materialize.

“Originally, this was supposed to be a deficit reducer, but now it has flipped. Instead of reducing the debt, it will add to it,” said Kent Smetters, the faculty director of the Penn Wharton Budget Model, which scrutinizes federal spending.

The bill will add $750 billion to the nation’s deficit over ten years, according to Smetters.

[Great job, Joe Manchin! I hope Chuck Schumer and Joe Biden made your sell-out worth it. — Ed]