Camila Dominovsky

In some previous conflicts, both sides were careful to avoid disrupting oil flows.

Energy markets open for trading on Sunday night.

Camila Dominovsky, NPR News.

They have rescinded the endangerment finding, which is this sort of bureaucratic but very important document from 2009.

And it says, look, scientists know that climate change endangers human health.

There's overwhelming consensus on that.

And therefore, the EPA should regulate greenhouse gas emissions as part of its job, the same way that it regulates smog.

And now the EPA has undone that, saying instead that if Congress wants it to regulate greenhouse gases, then they need to pass a law that does that specifically, which is not very likely right now.

So greenhouse gas emission standards for cars and trucks are now gone.

We should be clear that this is going to spark a giant legal battle, which will probably eventually go to the Supreme Court.

Well, more specifically for people buying new cars, right?

One change that President Trump highlighted in particular, this removes the regulatory incentive for the start-stop feature a lot of new cars have that turns engines off when you're stopped at red light.

More fundamentally, this will mean fewer EVs and hybrids on dealer lots in the near term.

Companies are not going to be under the same pressure to make cleaner vehicles that they were under strict Biden-era EPA emissions rules.

For carmakers, this doesn't necessarily change their long-term plans because, one, they know that regulations could change again under a different administration, right?

And globally, you know, they sell cars worldwide.

Other countries still have emissions rules.

They also have to compete with Chinese EVs.

And a lot of executives still say that EVs are the future.

But in the near term...