"Manchin has weekly huddles w/ Exxon & is one of many senators who gives lobbyists their pen to write so-called "bipartisan" fossil fuel bills," Ocasio-Cortez said in a tweet. "It's killing people. Our people. At least 12 last night. Sick of this "bipartisan" corruption that masquerades as clear-eyed moderation."
On Sunday, Manchin told CNN's Dana Bash it's "absolutely not true" that he has weekly meetings with big energy companies.
"I keep my door open for everybody. That's totally false," Manchin told Bash. "Those types of superlatives, it's just awful. Continue to divide and divide and divide."
He added: "I don't know that young lady that well. I really don't. I have met her one time, I think, between sets here. But that's it. So we have not had any conversations. She's just speculating and saying things because she wants to."
Bash said other Democrats have also said Manchin is opposing the bill because he's "bought and paid for by corporate donors."