initial fuel cost

基本解释

If they're successful, and many of the initial results suggest that they could be, it will be because the cost of fuel cells has dropped significantly over the last few years.
如果這些公司取得成功（許多初步結果顯示可能成功），其原因將歸於在最近幾年燃料電池價格出現大幅下降。
Although the cost of a solar-powered LED lamp over its lifetime is much less than the cumulative cost of fuel, many people cannot afford the initial $25 to $50 outlay for such a lamp.
盡琯LED在使用期限內的花銷比煤油少，但很多人不可能花25到50美元去買這樣一個燈。

Aging planes are expected to be replaced by more fuel-efficient models, behind the initial cost of the airplane, fuel costs are the second largest cost associated with airplanes.
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Nice thing, no fuel cost, and even after 50 years PV systems will operate at least around 75% of initial capacity.
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