 Mullen and hofer powertrain to start key development and manufacturing of designated EV systems and components for the complete electric powertrain of Mullens lineup of EV vehicles, including the Mullen FIVE EV Crossover, ONE EV Fleet Van and DragonFLY EV Sportscar Mullen and hofer powertrain to start key development and manufacturing of designated EV systems and components for the complete electric powertrain of Mullens lineup of EV vehicles, including the Mullen FIVE EV Crossover, ONE EV Fleet Van and DragonFLY EV Sportscar 