proterra is a leader in the design and manufacture of zero-emission heavy-duty vehicles, enabling bus fleet operators to significantly reduce operating costs while delivering clean, quiet transportation to local communities across the united states. with more than 480 vehicles sold to 60 different municipal, university, airport and commercial transit agencies in 25 states, proterra is committed to providing state of the art, high performance vehicles to meet today’s growing market demand. the company’s configurable catalyst platform is capable of serving the full daily mileage needs of nearly every u.s. transit route on a single charge. with unmatched durability and energy efficiency based on rigorous u.s. certification testing, proterra products are proudly designed, engineered and manufactured in america, with offices in silicon valley, south carolina, and los angeles. for more information, visit: http://www.proterra.com and follow us on twitter @proterra_inc.