We already have the technology to do everything he wants to do with this billion dollar venture. Elon musk is ahead of Gates and is already offers open source technologies for people to improve upon. I'm sorry but I have a hard time trusting good ol' Bill Gates. I believe he is greedy and has an alternative agendas that are fronted by rainbows and unicorns. If government would stop subsidizing big oil and blocking anything sustainable or renewable we wouldn't even be having this conversation today.