A rear-end crash occurs every 17 seconds in the U.S. But many cars, especially those made ... set (the distance between the restraint and a passenger's head) should be limited as well.

A more understeery car, on the other hand, is regarded as the "safer" alternative, with many passenger cars tuned ... jerk ...

In fact, Consumer Reports, through its Consumers Union policy and advocacy arm, has called for federal standards for passenger-car rear visibility. Such a rule was mandated in Congress in 2008 ...