This process made steam that expanded and pushed pistons, which turned an electric car that had a battery that powered a small electric motor .
Cars have changed a lot over the last one hundred years. In the past, steam cars were built and they didn't have tops. Now they have locks, windshields, handles, back lights and roofs. Now cars can go farther and faster but they are a lot electric motor.
Some have electric motors instead of a gasoline or diesel engine.