Four Senate Democrats broke ranks Thursday and voted to approve an amendment aimed at prohibiting a carbon tax. 

The Senate voted 58-42 on an amendment offered by Sen. Roy BluntRoy Dean BluntCongress hunts for path out of spending stalemate GOP senators plan to tune out impeachment week Eleven GOP senators sign open letter backing Sessions's comeback bid MORE (R-Mo.) that would set up a deficit-neutral reserve fund to prohibit a federal tax or fee on carbon emissions from any entity that, directly or indirectly, is a source of the emissions. 
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Red-state Democrats Sens. Joe Donnelly (Ind.), Heidi HeitkampMary (Heidi) Kathryn HeitkampThe Hill's Morning Report — Biden steadies in third debate as top tier remains the same Trump wins 60 percent approval in rural areas of key states Pence to push new NAFTA deal in visit to Iowa MORE (N.D.) Claire McCaskillClaire Conner McCaskillGOP senator rips into Pelosi at Trump rally: 'It must suck to be that dumb' Iranian attacks expose vulnerability of campaign email accounts Ex-CIA chief worries campaigns falling short on cybersecurity MORE (Mo.) and Joe ManchinJoseph (Joe) ManchinFormer coal exec Don Blankenship launches third-party presidential bid Centrist Democrats seize on state election wins to rail against Warren's agenda Overnight Energy: Senate eyes nixing 'forever chemicals' fix from defense bill | Former Obama EPA chief named CEO of green group | Senate reviews Interior, FERC nominees criticized on ethics MORE (W.Va.) voted with Republicans.

Blunt, ahead of the vote, suggested that the amendment was necessary to help protect Americans from higher utility bills and "send a clear message" to President Obama.
 
"This vote is important to send a clear message to the administration that Americans simply can't afford to pay higher utility bills because of bad energy policies," he said. 
 
 
"When you put a price on carbon it works," she said. "If you look at my state, we are creating jobs in clean energy, we're balancing our budget better than we ever have before. ... So I don't know why on earth we would say 'no' to something that leads to prosperity."