John Kerry: “Natural gas is an acceptable transitory transitional energy.”

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.

But, we could with battery. We could with-- there's ways to make that work.

We will communicate to the office that you're asking and that it's important to try to get to it as soon as possible.

Nothing is agreed to until everything is agreed to.