Proterra Proterra is a US-based company developing some of the most innovative fully electric buses. They and test their own battery packs. History -Proterra was founded in 2004 in Golden, CO, which is where the initial prototypes were designed. It was not until 2008 that a functioning prototype was shown at the American Public Transportation Association's annual meeting. Orders soon followed on behalf of Foothill Transit in Pomona, CA.
-The HQ was moved to Greenville, SC in 2011, and started receiving more orders from other public transport companies.
-2013 wa the year the company introduced the Catalyst FC, a pure electric bus with fast charging capabilities. In 2015, the company released the Catalyst XR, an EV bus with extended range.
-In 2016, the company set up prototyping and validation facilities in the Bay Area in California.