Given that voyage time will increase as a consequence of the reduced speed, the fuel saving will be somewhat less, about 40%.

由于航行时间因为速度降低将会增加，能源节约大概能将近40%。

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Not surprisingly, companies that operate fleets of cars and trucks are among the first users of fuel-saving "eco-assist" systems.

那些经营汽车和卡车车队的公司，是第一批使用节能燃料“环保协助”体系的用户，这不足为奇。

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Besides aircraft powered by biofuel and new lightweight fuel-saving designs, such as Boeing's 787 Dreamliner, there is plenty of other kit promising to help make aircraft more efficient.

除了用生物燃料和新设计的节省燃油的轻型飞机，如波音787梦幻航线外，该展览还展出了许多其他将可能使飞机更为有效率的装备。

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But a government program that paid Americans to trade in old vehicles for new, fuel-saving models increased car sales in the summer.

VOA: special.2010.01.01

Its fuel saving possibilities, cutting edge technology, operational versatility and cabin appointments generated enormous interest from airlines, initially overseas.

CNN: Dreamliner safety review: What it means for fliers

In new fuel saving hybrid and electric car technologies, Japanese companies have retained, or, in some cases, recovered market leaderships.

FORBES: Japan's Automakers Face New Challenges (2): Returning to Their Roots

In May, trucking giant Schneider National adopted its own fuel saving policy.

FORBES: Magazine Article