Proterra is a leader in the design and manufacture of zero-emission, heavy-duty electric vehicles, enabling bus fleet operators to reduce operating costs while delivering clean, quiet transportation to communities across North America. The Catalyst platform is designed to serve the daily mileage needs of nearly every transit route on a single charge. With industry-leading durability and energy efficiency based on rigorous U.S. independent testing, Proterra products are proudly made in America. For more information, visit: http://www.proterra.com and follow us on Twitter @Proterra_Inc.