Game-Changer: Rooftop solar will be at grid parity in all 50 U.S. states by 2016

And some solar garage rooftop systems power electric cars.

Solar Electric Cars: When Your Gas Station Is the Sun

How many solar panels do you need for this purpose? Here’s a way to figure it out.

Thinking about charging an electric car with your residential solar array?

Locally, here’s a local map of the Bloomington Indiana area from about a year ago of different kinds of solar systems. I wonder how many more this year. 20? 40? I know it’s ramping up. Check with sirensolar.org.