Automobile, a a product of modern civilization, have been playing a vital part in the daily activitie of human ociety. Indutry need automobile for farming a well a tranportation. Every day, automobile drive people to and from work. On weekend automobile take familie for joyful outing. And during holiday eaon, automobile fill the highway everywhere, even in remote area. It could be aid that the wheel of automobile move ociety forward.
But automobile have alo given rie to a erie of problem. For example, citie are overcrowded with automobile. They create a lot of noie and traffic accident which diable or kill many people each year. Wort of all perhap i the air pollution caued by the exhaut gae produced by automobile. Some of the gae are highly toxic and a eriou health hazard.