A tonneau cover can protect the gear in a truck bed, but can it also improve gas mileage? Here’s a look at some tests that ...

or even just the embarrassment of your messy truck bed—all headaches you'd rather not deal with. A tonneau cover is a multifunctional upgrade for your truck bed. It shields your cargo from the ...

To get around these issues, General Motors has filed documents with the German Patent and Trade Mark Office (DPMA), describing a system for an inflatable tonneau ... a truck bed, and Ram has ...