Continental Airlines began testing such a system in Houston in December and is now extending it to Washington National, Newark and Boston's Logan airport.

12月美国大陆航空公司在休斯顿测试这个系统并且现在延伸至华盛顿总部，纽瓦克机场和波士顿的洛根机场。

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Zimmer and partner Logan Green began thinking of Zimride when Logan was at University and Zimmer was at Lehman Brothers.

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Crews began preparing snow plows at Logan International Airport, where officials said the storm is expected to cause more flight delays and cancellations.

CNN: Monster blizzard set to slam Northeast

Crews began preparing snow plows at Logan International Airport, where officials said the storm is expected to cause flight delays and cancellations on Friday and well into Saturday.

CNN: Monster blizzard set to slam Northeast