A new type of asphalt mixture was prepared with high strength expanded shale and was applied successfully to pavement.

采用高强页岩陶粒制备了一种轻质、抗滑、降噪的新型沥青混合料，并将这种沥青混合料成功应用于路面工程。

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"Shale gas producers expanded payrolls, while employment at conventional oil and gas firms was flat, " the Fed noted.

WSJ: Fed survey: Pa. shale gas boom regions robust

Last week we expanded the discussion to the manner in which the US shale revolution is in fact transforming the global balance of power.

FORBES: Just Yelling "Stop!" is Not an Effective Energy Policy