The Proterra Catalyst is a battery-electric low-floor transit bus that was built by Proterra from 2014 to 2020. The second generation of Proterra's battery-electric buses, it succeeded the earlier EcoRide as the company's flagship product.
Top: Catalyst BE40 operated by King County Metro Bottom: Catalyst BE35 operated by San Diego International Airport
Image: Proterra electric bus leaving Eastgate P&R (22998410693)
Overhead / en-route (Feb 2016)
Curbside (Nov 2015)
A battery electric bus is an electric bus that is driven by an electric motor and obtains energy from on-board batteries. Many trolleybuses use batteries as an auxiliary or emergency power source.
Solaris Urbino 12 electric from Braunschweiger Verkehrs-GmbH (Germany) at an inductive charging station at the front of Braunschweig Hauptbahnhof
Battery bus, 1899
Bus charging from an overhead charger
An Arriva Shires & Essex Wright StreetLite EV bus whilst using induction to recharge its batteries at a bus stop.