At the American Public Transit Association (APTA) Annual Meeting, Proterra unveiled the newest addition to its fleet of electric buses: the Catalyst E2 series, named for its Efficient Energy (E2) storage capacity of 440 – 660 kWh. Last month, an E2 series vehicle achieved a new milestone at Michelin’s Laurens Proving Grounds where it logged more than 600 miles (966 km) on a single charge under test conditions. Its nominal range of 194 – 350 miles means the Catalyst E2 series is capable of serving the full daily mileage needs of nearly every US. mass transit route on a single charge and offers the transit industry the first direct replacement for fossil-fueled transit vehicles. The high-mileage Catalyst E2 series joins the existing Catalyst FC and XR series vehicles, designed for circulator and intermediate-mileage routes, respectively. E2 battery configurations can be fully charged at the depot with industry standard J1772 […]