Grid tied systems have to go down when grid goes down to avoid back feeding power into the grid and potentially shocking any one working on the lines. If you add storage batteries and a transfer switch, your power will stay up when the grid goes down.
The auto industry has reached an inflection point for mass adoption of electric vehicles. The need to reduce CO2 emissions combined with the improving economics of electric vehicles are leading all major manufacturers to pour billions of dollars into electric vehicle development. GM announced...