1月26日,记者从建设部了解到:由于多年来城市公交运输欠帐很多,老、旧、病、残车比例较大,全国保有量达17万至18万辆的公交客车须更新改造。根据建设部的测算,这个周期需要5年时间,每年购置新车3万辆左右,今年全国公交车更新5万辆。据有关人士分析,从1997年兴起的“城市公交热? On January 26, the reporter learned from the Ministry of Construction: Due to the large amount of debts owed by urban public transport over the years, a large proportion of old, old, sick and disabled vehicles have to be renovated and rebuilt for buses that have a total national ownership of 170,000 to 180,000 . According to the estimation of the Ministry of Construction, this cycle will take 5 years to purchase 30,000 new cars each year and 50,000 new buses nationwide this year. According to the analysis of relevant persons, from 1997, the rise of "urban bus hot?