 ElectraMeccanica Vehicles Corp. has announced the debut of the highly anticipated cargo version of its flagship three-wheeled, single-occupant, all-electric SOLO. The modified vehicle, dubbed the SOLO Cargo EV, is being unveiled at the Advanced Clean Transportation ACT Expo, the industrys largest advanced transportation technology and clean fleet event, and will be on display from August 31 through September 1 at the Long Beach Convention Center in ElectraMeccanicas booth. 