John Kerry: “Is it used for any other--is it used for any commercial purpose?”

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.

In terms of global challenges and U.S. interests, yes.

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.