The new standards require an average fuel economy of 35.5 miles per gallon by 2016, an increase of more than eight miles per gallon.

新标准要求到2016年平均燃油经济性达到35.5英里每加仑，增幅超过8英里每加仑。

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However, there are signs that in the last few years average fuel consumption has begun to drop in response to voluntary agreements by vehicle manufacturers to reduce CO2 emissions.

但是，由于机动车生产商自主签署的减少二氧化碳排放的协议，有迹象表明在最近几年平均燃料消耗量已经开始下降。

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The average fuel consumption for this car is 10 kilometers per liter.

这部车的平均燃油 消耗量为每公升可跑10公里。

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One way to raise the average fuel economy is to increase the number of electric cars on the road.

VOA: special.2010.11.17

It is even for an average family taking a longer trip than just a work commute, you really are going to have to have transportation fuel."

VOA: standard.2009.09.02

Thanks to stringent federal standards, average fuel economy reached an all-time high in 2012.

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EPA, the agency is now in the business of specifying corporate average fuel economy (CAFE) standards.

FORBES: The Environmental Protection Agency Comes-a-Copper

In the U.S. automakers must boost their fleetwide average fuel economy from the current 27mpg to 35.5mpg by 2016.

FORBES: Magazine Article