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Postal Service experiments with driverless mail trucks

May 21, 2019
The big-rig mail trucks will include a safety driver in case something goes wrong.
One of the trucks being used in the trial.
TuSimple

How the future of self-driving cars looks in Arizona

A fatal accident involving an Uber autonomous vehicle has called their safety into question.
A passenger looks on as he rides in a pilot model of an Uber self-driving car on in 2016 in Pittsburgh, Pennsylvania.
ANGELO MERENDINO/AFP/Getty Images