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November 18, 2007 by

Cruising in our cities

If you drive a car in many European cities, I bet you're not always happy to see the traffic lights stopping you. And you're not alone: environmentalists agree with you -- but for other reasons. As traffic flows account for about one-third of global energy consumption, better control systems for traffic lights could reduce harmful CO2 emissions. Now, German researchers have developed a self-organized control system for traffic lights that could improve vehicular traffic flow by up to 95 percent. They even patented their combination of two strategies leading to this better control system for traffic lights. But read more...


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