事件回放:日前,北京市正在酝酿进行城市出租车型的换代。北京市现有出租车近7万辆,主要车型以夏利、富康、捷达为主,车型比较陈旧,废气排放不符合标准。为了逐步提升北京的城市形象及为2008年奥运会做准备,有关部门近期准备逐步更新出租车,新车型设想为:车身长不短于4.5米,发动 Event Replay: Recently, Beijing is making preparations for the replacement of city taxis. There are nearly 70,000 taxis in Beijing. The main models are Xiali, Beverly, and Jetta. The models are relatively old and the exhaust emissions do not meet the standards. In order to gradually improve the city image of Beijing and prepare for the 2008 Olympic Games, the relevant departments are preparing to gradually update the taxi. The new model is as follows: the body length is not less than 4.5 meters long and it is launched.