Multinational carmaker Stellantis announced on Wednesday that it is investing more than $400 million in three US facilities. The company said the three plants in the northern state of Michigan would receive a total investment of $406 million. It also confirmed that the Sterling Heights Assembly Plant will be its first US facility to manufacture a fully electric vehicle. With an investment of $235.5 million, the plant will produce the automaker’s first-ever battery electric Ram 1500 REV light-duty truck. The Ram 1500 REV will be launched in late 2024. The plant will also build the all-new range…