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MIT study: people globally follow a “visitation law”; inverse relationship between distance and frequency of visits

Green Car Congress

To conduct the study, the researchers used anonymized cellphone data from large communications providers to track the movement of people in the metro areas of Abidjan, Ivory Coast; Boston; Braga, Lisbon, and Porto, Portugal; Dakar, Senegal; and Singapore. This generalized behavior is not just something you observe in Boston.

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Update: 10 Best Car Sharing Programs

Clean Fleet Report

Zipcars can be found in Atlanta, Austin, Baltimore, Boston, Chicago, Dallas, Denver, Detroit, Houston, Los Angeles, Miami, Minneapolis, Milwaukee, New York, Philadelphia, Providence, Sacramento, San Diego, Zipcar users have a card that unlocks their local cars San Francisco, Seattle and Washington, D.C. In the U.S.

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