With my electric car, most is air resistance, heat from tires flexing, and then air conditioning or heating.

I'm looking at picking up an EV. My Prius has become too energy-inefficient to run. I should have bought the Fiat 500e instead.

Trains, light rail, electric buses that run on power lines, yes, but not everyone is capable of riding a bike, even an electric one. Not nearly enough attention is paid to public mass transportation in the current trend toward creating "walkable cities." A lot of people can't walk or walk far. I also find it to be incredibly ableist to attempt to increase ridership without considering how the disabled, aged, and infirm are going to get to the bus/trolley/train in the first place.
And electric cars aren't going to save us. We need to overthrow the tyranny of the automobile. We need a transportation revolution, which will first require a revolution in thinking.

Maybe so there where you are, but not so much here. We have the old Siemens light rail cars, that have stairs, when what's needed is to have the floor be at street level, like the NY subways. They're getting better though, in making some improvements like adding wheelchair lifts.
And yes, car driving is ableist, and elitist. Car ownership is terribly expensive.