Electric cars are coal-powered cars. Their carbon emissions can be worse than gasoline-powered cars.

Seeking an acquisition from the start is more than just bad advice for an entrepreneur. For the entrepreneur it leads to short term tactical decisions rather than company-building decisions and in my view often reduces the probability of success.

The right way to build a company is to experiment in lots of small ways, so that you have plenty of room to make mistakes and change strategies.

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.

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.

Entrepreneurs have the flexibility and the ability to do things that large companies simply cannot. Could a large company pull off a trick like Amyris, going from anti-malaria medicine to next-generation fuel?

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.