From the final presidential debate on October 22, 2020

KRISTEN WELKER (MODERATOR): OK, I have one final question --

DONALD TRUMP: Would he close down the oil industry? Would you close down the oil industry?

JOE BIDEN: By the way, I would transition from the oil industry. Yes. 

…

WELKER: Why would you do that?

BIDEN: Because the oil industry pollutes significantly. Here’s the deal --

TRUMP: Oh, I see. That’s a big statement.

BIDEN: Well, if you let me finish the statement -- because it has to be replaced by renewable energy over time. Over time. And I’d stop giving to the oil industry -- I’d stop giving them federal subsidies. You won't give federal subsidies to the gas and -- excuse me, to solar and wind. Why are we giving it to the oil industry?

...

TRUMP: That’s maybe the biggest statement. In terms of business, that's the biggest statement. Because basically what he’s saying is he’s going to destroy the oil industry. Will you remember that Texas? Will you remember that Pennsylvania? Oklahoma? Ohio?