Current corporate average fuel economy (CAFE) standards, introduced in 1985, require a fleet average of 27.5mpg from new cars.

现在公司的平均燃料经济性标准是1985年引入的，要求所有的新车的效率是27.5英里每加仑。

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The average age of the fleet of the seven large U.S. passenger airlines is about 14 years old according to the airline monitor.

据航空公司监测显示，美国7家大型客运航空公司机队的平均机龄约为14岁。

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Any spare cash that the airline can generate should be used to replace its fleet of 55 ageing Boeing 747s, which are an average of five years away from retirement.

公司能拿得出手的每一分余钱最好先用于替换那55架陈旧的波音747飞机，这组飞机距离退役的平均年限仅有5年了。

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One reason for the product blitz is new federal rules mandating a near doubling of fleet average fuel economy by 2025.

WSJ: Electric Cars Try to Break Out of Niche

"We continue to drive our fleet average even lower, " Chrysler spokesman Nick Cappa said in a written response to the rankings.

FORBES: Vehicles

The feds recently finalized the Corporate Average Fuel Economy (CAFE) standards, which will require automakers to achieve a fleet average of 54.5 mpg by 2025.

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