Trucking holds a special importance in the American economy. More than two-thirds of the nation's freight--some 10.5 billion tons of goods--is transported by truck, a feat that requires 3.5 million drivers and nearly as many heavy-class trucks. In 29 states, truck driving is the most common job.
But that might not be the case for long, as the potential savings from automating trucks are too tempting for the industry to ignore.
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