Bill Gates

Governments will always play a huge part in solving big problems. They set public policy and are uniquely able to provide the resources to make sure solutions reach everyone who needs them. They also fund basic research, which is a crucial component of the innovation that improves life for everyone.

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.

I would say my fraternity was nothing but a bunch of farm boys; we weren't really in the whole fraternity scene, but yeah, that's a safe assessment of who I am. I've lived that life, growing up in agriculture and then going off to college and joining a fraternity, livin' that life.