What comes after self-driving cars? Self-driving trucks. The impact these autonomous vehicles could have on our economy is pretty significant.

In a recent Vox article, David Roberts explains how self-driving trucks could result in 1.8 million truck drivers losing their jobs. Roberts explains to Molly Wood that these trucking jobs are one of the last, solidly middle-class jobs that do not require a college degree. 

It is unclear when this technology could take over the trucking industry. It could be two years, or even 10 years from now. But what will we do if we lose 1.8 million jobs in the next few years? Roberts says, “no one has a clue.”

 Click the player above to hear the full interview.