The American economy depends on truckers. Their big rigs ferry food, fuel and countless other goods around the country. But it's also a dangerous and exhausting job, simultaneously stressful and monotonous.

"I say it's the last honest job," says Aaron Isaacs, a truck driver in California. "Because you come out here and you earn your money."

Technology is promising to transform this industry. New driver-assistance features are meant to make the job safer and less demanding. But some companies are taking technology a step farther, and piloting fully autonomous trucks that replace drivers altogether.

So drivers like Isaacs want to know: Will technology make their jobs easier, or take them away?

A big rig that's all about the driver

This fall, Volvo Trucks invited journalists to a close

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