text:  Happened to you, Mike. You were a diesel trucking guy, and now you love battery electric trucks. What happened? I mean, I remember the first time I heard about it. I'm like, yeah, right. I mean, that's OK for cars, but we'll never haul freight with batteries. These days, Roth is all in on battery electric trucks. And he says more and more fleet managers are, too, even though the upfront cost of those Tesla semis can be twice as much as a conventional diesel truck.