Electric Commercial Vehicle Market By Component, By Battery Type, By Battery Capacity, By Payload Capacity of Truck, By Propulsion, By Vehicle Type (Van, Bus, Truck, Pickup Truck), By End User (Field Services, Refuse Services, Long Haul Transportation, Last Mile Delivery, Distribution), By Electric Autonomous Vehicle (Electric Autonomous Bus, Electric Autonomous Truck), By Bus Length (<9m, 9 to 14m, >14m), Global Report by Size, Industry Analysis & Forecast, 2021