Trolleybuses in Lublin
Lublin is one of Poland’s three cities that still operate a regular trolleybus line. Other two cities are Tychy and Gdynia. One of the Soviet ZIU trolleybuses owned by the Municipal Public Transport Company (MPK) was renovated in 2003. The old regular seats were taken out, and restaurant tables were installed, along with a small bar and toilets. The new version is called ZIUTEK and may be used for promotional activities.
A trolleybus is an electric bus that draws its electricity from overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles. Two wires and poles are required to complete the electrical circuit. This differs from a tram or streetcar, which normally uses the track as the return part of the electrical path and therefore needs only one wire and one pole (or pantograph). They also are distinct from other kinds of electric buses, which usually rely on batteries.