Electric cars are all well and good, but this post somewhat oversimplifies the situation. Are we looking mainly to fight urban pollution or are we concerned about climate change? Electric cars are a great solution to urban pollution, but they only help climate if the grid is decarbonized — a bigger problem than just changing the way cars are powered. For a fuller and in some ways less optimistic assessment, see this: https://www.aeaweb.org/articles?id=10.1257/jep.30.1.117