It certainly depends on where you are. In Seattle, we get 90% of our power from hydroelectric, and almost all of the remaining 10% from either nuclear or wind.

It certainly depends on where you are. In Seattle, we get 90% of our power from hydroelectric, and almost all of the remaining 10% from either nuclear or wind. I wonder what the comparison between cities with electric transportation services and without, and their respective power supplies would show.