Ford stuck with a ladder frame for its electric F-150 Lightning while GM chose an all-new structure for Silverado EV that’s neither unibody nor body-on-frame.
This guide reviews several points often misunderstood about the behavior of moisture and pressure on sealed enclosures, and offers insight into the functioning characteristics of breather valves and desiccants. The goal of this guide is to provide a resource for engineers as they pursue better moisture and pressure control.