In the air, where Boeing 747s get about 2 miles to the gallon—that kind of gas mileage would be revolutionary.

在空中，波音747每加仑能飞2英里——那样的油耗是革命性的。

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While it won't save you dollars per fill-up, it could save you at least the price of an air filter each year depending on your mileage.

虽然这样不会每次加油都能帮你省一点，但是至少每年能帮你多省个空气过滤器的价格出来。

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There are some tips for motorists who want to improve air conditioning and their gasoline mileage without buying gas-saving gadgets.

有些开汽车的人想要改进车内的空调状况和每英里平均耗油量而又不必购置省油的装置，这里有些建议可供他们参考。

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Little things like whether the air conditioner is on while you drive can affect mileage, and the way the EPA tests mileage is pretty different from the way most people drive their cars.

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Interestingly, Mileage Plus analysis has shown that when members redeem miles for air-travel rewards, their loyalty increases.

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He cites FedEx, a company that gets a lot of mileage in the fall from its NFL sponsorship, thanks to its "FedEx Air and Ground Player of the Week" campaign, as an example.

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