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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This time, the chiefs drove to Washington in fuel-saving hybrid vehicles. And their companies presented detailed restructuring plans.

这次总裁们开着混合动力车来到华盛顿，递交了他们详细的重组计划。

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Boeing and Airbus already are offering a new generation of larger jets built from fuel-saving lightweight composite materials instead of the ARJ21's traditional metals.

波音和空客已经生产出新一代更大型的喷气机，采用了省油轻质复合材料，而非arj21所采用的传统金属。

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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

Fuel-saving technology like hybrid power and turbo-charging, they say, isn't enough to do the trick.

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Five-speed automatics and six-speed manuals are common, and there's the new fuel-saving, infinitely variable transmission.

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It plans to position its diesels as a better fuel-saving alternative for drivers with lead feet.

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