page_title: Trolleybus
hierarchical_section_title: Trolleybus
caption_attribution_description: Deutsch: Ikarus 280T in Budapest English: Ikarus 280T articulated trolleybus in Budapest (Hungary) Magyar: Ikarus 280T típusú trolibusz Budapesten Nederlands: Ikarus 280T gelede trolleybus in de Hongaarse hoofdstad Boedapest Français&#160;: Trolleybus articulé Ikarus 280T dans la capitale hongroise
context_page_description: A trolleybus is a bus which runs on electricity. It gets its power for the electric motors that drive the wheels from a pair of power lines above the street.
  On the roof of the bus are two "trolley poles" from which electric current flows between the wires and the bus. One wire is for the positive current and the other is for the negative current.
  Because trolleybuses do not usually have engines which burn diesel or other fossil fuels, they are much cleaner and quieter than "normal" buses. They also do not use tracks, so they are more flexible than trams. But as these buses often cannot run without power from the wires, their range is still limited compared to ordinary buses.
  Trolleybuses cost more money to make than other types of buses, so there are not many companies that build this type of bus. Some of these companies are:
  VanHool
  MAN
  Hess
  Solaris
  Škoda Electric
  Neoplan
  Volvo
context_section_description: A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram or simply trolley) is a bus which runs on electricity. It gets its power for the electric motors that drive the wheels from a pair of power lines above the street.
  On the roof of the bus are two "trolley poles" from which electric current flows between the wires and the bus. One wire is for the positive current and the other is for the negative (return) current.
  Because trolleybuses do not usually have engines which burn diesel or other fossil fuels, they are much cleaner and quieter than "normal" buses. They also do not use tracks, so they are more flexible than trams. But as these buses often cannot run without power from the wires, their range is still limited compared to ordinary buses.
  Trolleybuses cost more money to make than other types of buses, so there are not many companies that build this type of bus. Some of these companies are:
  VanHool
  MAN
  Hess
  Solaris
  Škoda Electric
  Neoplan
  Volvo
caption: An Ikarus trolleybus
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