| 1. | Alternative vehicle types such as fuel - efficient vehicles
引进其他类型的车辆，如节省燃料的汽车。 |
| 2. | Alternative vehicle types such as trolley buses and fuel - efficient vehicles
引进其他类型的汽车，如无轨电车及节省燃料的汽车。 |
| 3. | But a continuous gentle descent to the airport would be more fuel - efficient
但一个持续、稳步的降落方法会带来更高的燃料使用率。 |
| 4. | A tax on gasoline , for instance , encourages people to drive smaller , more fuel - efficient cars
例如，对汽油征税，鼓励人们开小型、节油型汽车。 |
| 5. | Today ' s diesels are sturdy , smooth and up to 40 % more fuel - efficient than petrol engines
在额外价部分，由于使用柴油可以减少税金，这一比例为70 % 。 |
| 6. | Jessica : on the 3 ) contrary , it ` s totally 4 ) fuel - efficient . but gas prices are out the roof these days
洁西卡：正好相反，它超级省油。但是最近油价涨翻天。 |
| 7. | Some of the ideas in the pipeline include on - demand jet travel in fuel - efficient planes and new types of diesel engines
一些途径中的方法包括通过高效用油喷射飞机旅行和制造新型的柴油机引擎。 |
| 8. | Cuba is gradually augmenting its fleet of thirsty soviet buses and trucks with new , more fuel - efficient chinese models
古巴正逐渐使用新型节能的中国款式来增强本国耗油量大的各类苏式巴士车与卡车。 |
| 9. | They reject the limits on engine displacement , instead advocating the promotion of fuel - efficient cars of all shapes and sizes
他们拒绝在发动机替换上的限制，而提倡促销所有型号的有效利用能源的汽车。 |
| 10. | That is why a slightly noisier alternative design by the same researchers that is even more fuel - efficient shows most promise
所以，同样由研究人员提供的噪音稍大、燃料利用率高的备选方案的前景似乎最光明。 |
