This 2012 publicity photo provided by The SARTRE Project shows a road train using technology developed by Ricardo together with Volvo and other partners in the ground-breaking SARTRE (Safe Road Trains... more 
This 2012 publicity photo provided by The SARTRE Project shows a road train using technology developed by Ricardo together with Volvo and other partners in the ground-breaking SARTRE (Safe Road Trains for the Environment) European research project. Drivers can multi-task behind the wheels of their own cars. Each vehicle driver can join or exit with their car from a road train and maintain the flexibility of individual transportation for onward travel during a road trip. (AP Photo/Copyright The SARTRE Project) less 
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Associated Press | Photo By Copyright The SARTRE Project
Tue, Sep 3, 2013 9:39 AM EDT