trolleybus

US /ˈtrɑː.li.bʌs/
UK /ˈtrɑː.li.bʌs/
"trolleybus" picture
1.

a bus powered by electricity obtained from overhead wires, to which it is connected by means of a trolley pole

:
The city plans to expand its trolleybus network.
Many European cities still use trolleybuses for public transport.