Proterra Inc is engaged in the design and manufacture of zero-emission electric transit vehicles and electric vehicle (EV) technology solutions for commercial applications. The Company is focused on providing solutions that enables commercial vehicle electrification through three business units: Proterra Powered, Proterra Energy and Proterra Transit. Proterra Powered designs, develops, manufactures, sells and integrates battery systems and electrification solutions into vehicles for commercial vehicle original equipment manufacturer (OEM) customers. Proterra Transit designs, develops, manufactures, and sells electric transit buses for North American public transit agencies, airports, universities and other commercial transit fleets. Proterra Energy provides turnkey fleet-scale, charging solutions and software services, ranging from fleet and energy management software-as-a-service, to fleet planning, hardware, infrastructure, installation, utility engagement and charging optimization.