(November 22, 2019) BROOKVILLE, Ohio — Due to the growing strength of GM’s all-new 2020 Chevrolet Silverado and GMC Sierra heavy-duty pickups, General Motors and Isuzu announced today a $175 million investment through its DMAX joint venture to build an all-new, diesel engine components plant in Brookville, Ohio. The new 251,000 square-foot facility would expand the production of critical engine components for the company’s current DMAX diesel engine manufacturing operation in Moraine, Ohio.