Cars that think for themselves are hard to build and harder to trust. Cars that talk to each other while they’re on the road in the same way printers or servers on the same network talk, on the other hand, could make highway driving much more efficient and a lot safer. Car-to-car communications is about to get its first large, real-world test in Ann Arbor, Mich., where the University of Michigan’s Transportation Research Institute will be building a huge test-bed using a $14.9 million grant it just got from the U.S. Dept. of Transportation.
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