Answer:
B. A car is designed to waste as little fuel as possible.
Explanation:
Car makers develop car models who are fuel-efficient, it´s become a regular practice in the auto industry. Why? For two reasons. The most important reason is to appeal to consumers who want - and need - fuel-saving cars in order to save money and spend less in gas. These people want affordable and cost-saving personal transportation, they´re an important segment of the market.
The other reason is environmental consciousness. This has become part of corporations´ social responsibility and it´s part of the company´s image that impacts perception by global consumers, many of them are environmentally conscious.