Los Angeles port truck driver Neftali Dubon says he needs at least five or six runs a day to make a living. He’s now doing one or two. As an owner-operator, he still has to keep paying down a loan on his rig.

Los Angeles port truck driver Neftali Dubon says he needs at least five or six runs a day to make a living. He’s now doing one or two. As an owner-operator, he still has to keep paying down a loan on his rig.