Due to extra conversion steps: gas to electricity, electricity to battery, battery to motor, you've got extra losses compared to gasoline direct-drive.
In S.F. Bay Area with high cost of electricity, EV costs same per mile as gas auto getting 30mpg.
Now that I'm in Phoenix area, electricity costs lots less (SRP has nuclear power-plant), but it still cost equivalent to 45-mpg auto per mile.
That's just variable operating costs too, not including initial fixed cost of installing 220v line and chargers in your garage. Free public charging has been decreasing availability every year with costs going way up.
Until they make entire EV system more efficient, best deal is still Prius hybrid @55mpg with generator in frunk.
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