日前,广州市三汽公司旅游公交I线和II线正式开通。为配合广州市建设“经济中心、文化名城、山水之都”的现代化大都市和开展“绿色公交”工程,新线路所使用的旅游公交车全部是LPG单燃料清洁能源空调大客车,采用两级低踏板,闭环式电脑控制装置,车辆排放达欧II标准,尾气根本没有? Recently, the three bus companies in Guangzhou City I and II tourism bus line officially opened. In line with Guangzhou’s construction of a modern metropolis with “economic center, famous cultural city and landscape capital” and the “Green Bus” project, the tourist buses used in the new routes are all LPG single-fuel clean air-conditioned buses with two levels Low pedal, closed-loop computer control device, vehicle emissions up to Euro II standard, exhaust does not?