China – EV Champion

Thanks to heavy government subsidies, China has become the world’s leader in electric vehicles.

We hear from inside China on the remarkably fast electric vehicle transition going on there, as the country moves away from petrol and diesel-powered cars and lorries.

Nick Marsh, reporting for BBC's Tech Now, explores the latest EV tech seen on the streets, including swapping stations, which replace a depleted battery in a matter of minutes.