"On an aircraft of that size, even a slight reduction in fuel burn makes a big difference to overall cost," said Paul Sheridan, Head of Risk Advisory at Ascend.

“对于这么大的飞机，哪怕是减少一点儿燃油消耗，对成本控制的效果也是很明显的。”来自Asend风险咨询公司的头儿paul Sheridan如是说。

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This special design is supposed to help in reducing the overall fuel consumption and cost for maintaining.

这种特殊的设计应该能够帮助减少总的油耗和维护成本。

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Ross says, "Any fuel that is not lead-based will come with changes to the overall operation and cost of an aircraft."

罗斯说：“非铅基燃油将改变飞机的运营与成本，我们希望在新燃油规范上获得重要地位。”

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