The recent gasoline price hike has brought

问题：

The recent gasoline price hike has brought some unexpected good results--it has spurred consumer interest in small cars that use less fuel. But there’re discriminatory restrictions against small cars in China, for example, in many cities and regions small cars are not allowed to use expressways or enter downtown areas. And consumers are reluctant to choose the small cars. In contrast, the European Commission requires European cars manufacturers to reduce carbon dioxide emissions for passenger cars, forcing automakers to produce lighter cars with smaller engines.
Topic: Is a smaller and lighter car a better choice
Questions for Reference:
1. What are the advantages and disadvantages of a smaller and lighter car
2. Does your family have a car What are your standards to choose a car
3. Though a smaller and lighter car can play a positive role in environmental protection, many people still prefer a big and expensive car. Why What is a rational attitude toward a car indeed