What will the car be in the future? Maybe we can sit in a car can drive itself.
About 40 years ago, scientists from the United States started to develop self-driving cars（无人驾驶汽车）. The （famous） recent one was made Google in 2009.There are cameras and radars（雷达） on the top of the car. They allow the computer in the car （draw） a 3D map of the environment. Chinese scientists have also （success） developed a self-driving car. The car made a t trip from Changsha to Wuhan.
Is a self-driving car （safety）? Yes, a recent study shows that robots make less dangerous drivers than （human）. If only 10%of cars on the street are self-driving, 1, 000 people will be saved every year. If 90%of vehicles（交通工具） are self-driving, they will save 21, 700 people a year. , a self-driving car is expensive and each costs about $100, 000.So is impossible to be very popular in the near future.
