US Department of Energy (DOE): EV’s fuel economy is significantly lower than gasoline – eGallon site
In the United States, one of the world’s leading producers of crude oil, gasoline prices are cheap, about half that of Japan.
In the United States, the Department of Energy (DOE) data revealed that the fuel efficiency (running cost) of the electric vehicle (EV) is lower than that of gasoline vehicles.
By state, Washington State · Electricity rates are cheap, so we enjoy the greatest merit of EV driving.
– JETRO
https://www.jetro.go.jp/biznews/2018/08/c6db220877dca8c3.html
eGallon | Department of Energy