But electricity has the advantage of being easy to convert to. Cars last on average 20 years. If all your cars are electric but your electricity is dirty, you c

But electricity has the advantage of being easy to convert to. Cars last on average 20 years. If all your cars are electric but your electricity is dirty, you can legislate that electricity needs to be cleaner, affecting only a few players, rather than having to convince millions of car owner. Look at what happened in France when the government changed its mind on which carburant is cleaner and tried to force millions of consumer via taxes. Also, keep in mind that China is trying to get cleaner electricity as shown by the giant damns they are building.