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 BluntClarence Thomas, Joe Manchin, Rudy Giuliani among guests at second state visit under Trump McConnell support for election security funds leaves Dems declaring victory Paul objection snags confirmation of former McConnell staffer 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 McCaskillEx-CIA chief worries campaigns falling short on cybersecurity Ocasio-Cortez blasts NYT editor for suggesting Tlaib, Omar aren't representative of Midwest Trump nominees meet fiercest opposition from Warren, Sanders, Gillibrand MORE (Mo.) and Joe ManchinJoseph (Joe) ManchinToomey on gun reform: 'Beto O'Rourke is not helping' Trump walks tightrope on gun control O'Rourke gun confiscation talk alarms Democrats 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."