Road transport moves passengers and freight using cars, buses, motorcycles, and trucks with over 1 billion motor vehicles worldwide. Passenger cars typically seat 4–5 people with average occupancy about 1.5 persons per vehicle. Urban speed limits commonly range 30–50 km/h; highways 90–130 km/h. Heavy goods vehicles carry typically 20–40 tonnes gross weight. Road freight accounts for roughly 70–80% of inland freight tonnage in many countries. Electric passenger vehicles exceeded 20 million globally in the early 2020s