2005年12月30日,由宇通客车和深圳巴士联合成立的中国首家城市公交“节油”博士后研究点——“燃油经济性研究”博士后研究点在深圳香梅北车场挂牌成立。该研究点将进行客车发动机节油技术的研究和攻关。统计数据显示,燃油约占公交企业总成本的20%。目前国内燃油价格一直居高不 On December 30, 2005, the post-doctoral research center for fuel economy in China, the first city bus jointly established by Yutong Bus and Shenzhen Bus, was set up at the Xiangmei North Depot in Shenzhen. The research point will be bus engine fuel-saving technology research and research. Statistics show that fuel accounts for about 20% of the total cost of bus companies. At present the domestic fuel prices have been high not