INDIANAPOLIS–(BUSINESS WIRE)–Allison Transmission, a leading designer and manufacturer of conventional, electric hybrid and fully electric vehicle propulsion solutions, today announced that it will participate in the initial public offering (IPO) of Jing-Jin Electric (JJE), a leader in electric motor, inverter, and integrated electrified propulsion systems within the largest electric vehicle market in the world. As part of JJE’s upcoming IPO at The Science and Technology Innovation (STAR) Boa