Google is upping its interest in solar by increasing its investment in Solar City. And when it does, you can benefit directly. All you need is a home, and a desire to save on your power bill. The promotion is designed to work like this: contact Solar City, work with them to design the right solar array for your house, and then sit back and enjoy the savings. Solar City will design a system that you lease, install it for free, and maintain it for the life of your lease. Even with the lease payments, it’s designed to save you money in the end. Read more here.