It's both more fuel efficient and less time consuming.
它既是更多的燃料效率和更少的时间消耗。
When it is time for a new car, choose a more fuel efficient vehicle.
该买台新车时，选辆最省燃料的吧。
Diesel engines are the most fuel efficient vehicle power source available.
柴油发动机是现有燃油效率最高的机器。
That money, under current law, must be used for fuel efficient technology.
这一大笔钱，这现有的法律控制下，只能用于开发高效燃料技术。
Your car will become at least 40% more fuel efficient and produce cleaner emissions.
您的汽车将成为至少有40 %以上的燃料效率和生产更清洁的排放。
Fat is a much less efficient fuel than carbohydrate.
脂肪比碳水化合物的燃料效率低多了。
Another reason is that demand for new, more fuel-efficient aircraft has never been greater.
另一个原因是对于新型，更省油的飞机的需求异常膨胀。
Over the long term, they would demand fuel-efficient vehicles.
在长期，它们会需要省油的汽车。
The most fuel-efficient cars. View the gallery.
目前最高燃油能效的汽车。
Mr Obama admitted that more fuel-efficient cars might cost more.
奥巴马承认，制造更多的燃油节约型汽车也许会抬高成本。
Nor is the purpose of the bail-out to create a new generation of fuel-efficient cars.
纾困的目的，也不是为了制造新一代节能汽车。
Proton Exchange Membrane (PEM) Fuel Cell is a clear and efficient new energy source.
质子交换膜(PEM)燃料电池是一种清洁高效的新型能源。
Therefore, the proton exchange membrane fuel cell is a clean, efficient green power.
所以，质子交换膜燃料电池是一种清洁、高效的绿色环保电源。
我的新车很省油。
Fuel cell vehicle is a kind of high-efficient clean electric vehicle.
燃料电池汽车是一种高效清洁的电动汽车。
Another spike would mean a rise in the value of fuel-efficient vehicles.
至少可说，另一飙价将会为节油汽车增值。
Perhaps the easiest way to make a car more fuel-efficient is to make it lighter.
或许，让车更省油的最简单的方法是把车造得更轻些。
Small, fuel-efficient, front-wheel-drive cars were the wave of the future.
小型的，节油的，前轮驱动的汽车是今后的趋向。
Small, fuel-efficient, front-wheel-drive cars were the wave of the future.
小型的，节油的，前轮驱动的汽车是今后的趋向。
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