There are some important differences between me and Tony Stark, like I have five kids, so I spend more time going to Disneyland than parties.

Silicon Valley has some of the smartest engineers and technology business people in the world.

It is definitely true that the fundamental enabling technology for electric cars is lithium-ion as a cell chemistry technology. In the absence of that, I don't think it's possible to make an electric car that is competitive with a gasoline car.

And we need things in life that are exciting and inspiring. It can't just be about solving some awful problem. There have to be reasons to get up in the morning.

Even if producing CO2 was good for the environment, given that we're going to run out of hydrocarbons, we need to find some sustainable means of operating.

As a child I would just question things.

Weighing too much on someone's talent and not someone's personality. I think it matters whether someone has a good heart.