Maybe GM (GM) won’t have to turn to Congress for a big rescue package. One of China’s largest car companies is looking at GM with an interest in getting a large piece of a joint venture in the world ‘s most populous country. Chinese car company SAIC is in conversations with GM about making a major investment. China is the second largest car market in the world, and has been the fastest growing. If GM gives up most or all of its joint venture with SAIC for cash it needs today, the car company may help itself short-term, but it will be walking away from one of its best chances to have a profitable future.