 INDIANAPOLIS--BUSINESS WIRE--Allison Transmission, a leading designer and manufacturer of conventional, electric hybrid and fully electric vehicle propulsion solutions, in collaboration with SAIC Hongyan Automotive Co., Ltd hereinafter referred to as SAIC Hongyan, formerly known as SIH Truck, a premium Chinese brand in the manufacturing, service and support of heavy-duty vehicles is pleased to announce a strategic Memorandum of Understanding MoU. The two companies will integrate the Allis 