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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.

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Auto Racing Test Drives Its Own EV Future

Cars That Think

Its own stepchild, the inaugural Extreme E series, is staging electric off-road battles in such exotic locales as Greenland, Senegal, and Sardinia, with five teams led by racing superstars including Chip Ganassi , Nico Rosberg and Michael Andretti. The latest is World Rallycross , a wild-and-wooly mix of off-road rallying and tarmac sections.

Porsche 95