We don't need a fuel that's cleaner, we need a fuel that happens to be cleaner, but is half the price of oil.

Not thinking it's possible is a failure of imagination.

We don't need a fuel that's cleaner, we need a fuel that happens to be cleaner, but is half the price of oil.

I'm not a political person. I'm a techie nerd, and I enjoy the techie part. I mean, all my life, I've loved great technology.

The only way you multiply resources is with technology. To really affect poverty, energy, health, education, or anything else - there is no other way.

Is it 10 years, 20, 50 before we reach that tipping point where climate change becomes irreversible? Nobody can know. There's clearly a probability distribution. We need to ensure this planet, and we need to do it quickly.

The world is hung up on food-based biofuels. Not only are they the wrong thing, they're the uneconomic thing.