Better design and wiser use of both mass transit systems and private vehicles will play an important part in helping America get more out of energy used for transportation.

对公共交通系统和私人汽车进行更好的设计及更合理的使用，会在帮助美国交通获得更多可用能量上发挥重要作用。

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A quarter of the world's energy—including two-thirds of the annual production of oil—is used for transportation.

世界上四分之一的能源——包括石油年产量的三分之二——都用于运输。

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Different sectors, like agriculture, energy, transportation, and the environment, are also closely interrelated.

不同的部门，例如农业、能源、运输和环境，也是紧密相互关联的。

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Don Hillebrand is the director of transportation research at the Energy Department's Argonne National Laboratory near Chicago,Illinois.

VOA: special.2010.11.17

The Texas researchers estimated the energy intensity of preparing food from agriculture, transportation,processing and food sales.

VOA: special.2010.11.23

Brigham McCown is the former U.S. energy transportation safety chief appointed by the Hon.

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Houston billionaire Fayez Sarofim, who has made a bundle investing in Kinder Morgan Inc. (KMI), is still bullish on the energy transportation firm.

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Its products are used in the construction, road building, mining, forestry, energy, transportation and material-handling industries.

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