Mullen (NASDAQ:MULN) stock is in the news Tuesday after it announced that subsidiary Bollinger Motors is selling five of its electric Class 4 Bollinger B4 commercial trucks to Spencer Manufacturing.Spencer Manufacturing will take the five electric vehicles (EVs) from Bollinger Motors and upfit them into emergency response vehicles. Bollinger Motors will deliver the EVs once production begins in the second half of 2024.Spencer Manufacturing works with municipal fire departments across the U.S. This opens up ...