Even a few percentage points matter, because fuel accounts for around three-quarters of the lifetime cost of a turbine.

区区几个百分点的差别却意义重大，因为燃料约占整个涡轮机寿命成本的四分之三。

youdao

We have to decide on how long a life of the reactor core we want and by lifetime we mean the time from when we start the reactor to the time that we need to re-fuel.

我们需要决定反应堆核心的一期有多长，寿命，我们指的是，我们开始反应堆的时间到，我们需要换料的时间之间。

youdao

For example, a 3d - printed metal airplane made of computer-designed, lightweight parts would consume less fuel during its lifetime of use.

例如，一个3d -印制金属飞机由计算机设计的，轻质部件将利用它的寿命期间消耗更少的燃料。

youdao

Honda says hydrogen shows tremendous promise, but critics mention the difficulties in production, transportation and fuel cell lifetime.

FORBES: The Ten Most Controversial Companies in Green

Consumers should see an increase in fuel savings (over the lifetime of their cars) as newer and more fuel-efficient cars become available starting with the 2017 car models.

FORBES: California Sets New Rules To Boost Zero-Emission Car Sales