You sure about that? Overnight is off-peak time. I'm highly suspect of the idea that we can run central air conditioning in every house all day -- plus normal u

You sure about that? Overnight is off-peak time. I'm highly suspect of the idea that we can run central air conditioning in every house all day -- plus normal usage -- but we don't have the grid capacity to charge 1-2 cars overnight. And on your coal point, so called "clean coal", while not really clean, is a helluva lot cleaner than a gasoline burning ICE.