i have ever seen. reporter: how many tractors do you have parked here because there is not a driver to fill it. we have 910 tractors total in our fleet and today we re sitting at as of this morning, we re at 47 open. reporter: and ceo john stom says his worker woes are minor compared to some of his competitors. the industry is short a record 80,000 drivers according to the american trucking association, further aggravating the nation s troubled supply chain just ahead of the holiday season trucks in the u.s. haul 12 billion tons of freight a year. everything you eat, touch, wear comes from a truck. and it takes a driver in this truck to get it to him. reporter: but where there is need, there is opportunity and the face of trucking is changing. this basically controls the brakes of the trailer. reporter: more