See All 30 Photos So what exactly is it? It's a 1990 Peterbilt 379 semi-truck with an MCI bus attached to the back. Of course, the bus portion has been transformed into a full-on lavish living ...

The company’s show truck, a classic Peterbilt 379 featuring a series hybrid drivetrain, will be unveiled, and team members will be available to discuss the technology and truck features.