Rough road ahead for self-driving cars
 

http://img-s-msn-com.akamaized.net/t...6&q=60&o=f&l=fAs auto makers such as GM and tech companies like Google and Apple rush to develop self-driving cars or their software, the worldâ??s largest vehicle marketâ??Chinaâ??is creating roadblocks by limiting who can map its highways.

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