and results showed a tonneau cover does, in fact, improve gas mileage — but with some caveats. The test involved a Chevy Silverado, a Dodge Ram 1500, and a Ford F-150 making laps around a ...

Using fullsize pickups from Dodge, Ford and Chevy, the trucks were driven 100 laps at 45 mph. Two had tonneau covers and the third had a bedcap. The gas tanks were topped off and the tonneaus and ...

and results showed a tonneau cover does, in fact, improve gas mileage -- but with some caveats. Read more: 11 Major Tire Brands Of 2024 Ranked The test involved a Chevy Silverado, a Dodge Ram 1500 ...