There aren't enough truckers, and that's pinching US profits 

A scarcity of truck drivers is biting into corporate profits. Surging transportation demand is spurring trucking companies to charge as much as 30 percent more for long-distance routes compared with prices a year ago, and they’re hard pressed to add capacity because of a long-standing shortage of drivers. These surging transportation costs are cutting into the bottom line for companies like meat packers. –Bloomberg Read more…