I'm personally a moderate and a registered independent, so I'm not strongly Democratic or strongly Republican.

Every mode of transport that we use - whether it's planes, trains, automobiles, bikes, horses - is reusable, but not rockets. So we must solve this problem in order to become a space-faring civilization.

I don't think it's a good idea to plan to sell a company.

It's obviously tricky to convert cellulose to a useful biofuel. I think actually the most efficient way to use cellulose is to burn it in a co-generation power plant. That will yield the most energy and that is something you can do today.

There are really two things that have to occur in order for a new technology to be affordable to the mass market. One is you need economies of scale. The other is you need to iterate on the design. You need to go through a few versions.

My motivation for all my companies has been to be involved in something that I thought would have a significant impact on the world.

The overarching goal of Tesla is to help reduce carbon emissions and that means low cost and high volume. We will also serve as an example to the auto industry, proving that the technology really works and customers want to buy electric vehicles.