 MIAMI, June 22, 2021 PRNewswire -- Proterra Inc NASDAQ: PTRA Proterra or the Company, a leading innovator in commercial vehicle electrification technology, and Miami-Dade County today announced a landmark fleet electrification project with the County acquiring 42 Proterra ZX5 electric transit buses, featuring a total of 19 megawatt-hours of battery storage capacity, along with plans to install 75 Proterra chargers across three bus depots. The first electric buses are slated to be delivered in 2022. 