Fine particulate matter and other emissions from older diesel - powered trucks and buses contribute to air pollution in beijing and throughout china and pose serious public health concerns . environmental impacts of diesel exhaust emissions include its contribution to ozone formation and acid rain 美国环境保护署的新闻简报说，从年代较久的柴油机动车中排放出的微粒物质和废气是造成中国空气污染和由此产生的种种健康问题的部分原因。
