The trucking industry is undergoing a major transformation in recent years, with a boom in electric vehicles.
The industry has also seen significant growth in its use of automated and autonomous vehicles.
But many truckers still rely on humans to haul freight, and trucking is the most important and most visible sector of the U.S. economy.
This infographic from National Geographic gives a snapshot of the importance of trucks, and how they are changing.
Here’s a look at some of the most common trucking companies: Chevy