内燃机的问世让人喜忧参半。汽车、轻型卡车,包括迷你箱型车、运动型多功能车(SUV)和小卡车给人们带来的运输便捷是前所未有的。然而,这些车辆却带来了影响公共卫生健康的重大问题。因此,谋求消除驾车不利影响的策略便自然而然地成为研究的一个主要课题。据美国国家公路交通安全管理局的统计,2002年有近43000人在车祸中丧生,另有356000人在交通事故中造成残疾。汽车尾气还使无数的人因哮喘发作或其他疾患而住院,与汽车相 The advent of internal combustion engines is mixed. The convenience of transportation for cars, light trucks, including minivans, SUVs and pick-ups, is unprecedented. However, these vehicles have brought major issues that affect the health of public health. Therefore, the strategy of seeking to eliminate the adverse effects of driving naturally becomes a major research topic. According to the National Highway Traffic Safety Administration, nearly 43,000 people were killed in a car accident in 2002 and another 356,000 people were disabled in traffic accidents. Exhaust gases have also left countless people hospitalized with motor vehicles for asthma attacks or other conditions