Trolleybus can charge while moving. Or while staying at a charging spot. In St.-Petersburg, Russia we had trolleybus all the time, but lately they got batterie

Trolleybus can charge while moving. Or while staying at a charging spot. In St.-Petersburg, Russia we had trolleybus all the time, but lately they got batteries and it was a mind blowing experience to see a trolleybus going without wires. The next surprising thing of that sort would be a tram going without rails.