交通运输是一个国家经济的基础,由于交通运输与社会经济、自然环境有着密切的关系,其在推动经济发展的同时,随着运输量的增加,带来的社会成本和给环境、资源的压力越来越大,影响到人们的生活。首先,运输业是环境的主要污染源之一,它对大气、水域等的污染是工业污染的组成部分, Transportation is the basis of a country’s economy. Because of its close relationship with socio-economic and natural environment, transport, along with its economic development, is accompanied by increased social costs and pressure on the environment and resources as transportation volume increases Increasingly, affecting people’s lives. First, the transport industry is one of the major sources of pollution to the environment. Its pollution to the atmosphere, waters and the like is an integral part of industrial pollution.