For years we've been working with Kenworth and Peterbilt, instrumenting trucks that they use for testing fuel economy and evaluating engines. We started six years ago by customizing some VMS 320s to record and analyze data for their "real-world" simulations. They still use those units, and we've also added VMS 240s to their fleet. They have also moved on to more kinds of tests, including highly precise test track work along with over-the-road tests of thousands of miles. All of which rely on our VMS technology.

They have published some of their conclusions from years of testing in a white paper available on their web site. There is a lot of good information in here - including a few things you will likely find surprising.

One thing you won't find surprising is their #1 fuel saving tip. They recommend getting a in-dash monitor just like the ones they use in their testing. Unfortunately, they don't mention SilverLeaf by name - that's because we don't sell to the truck fleets, only to RVers. But their description of what such a display should include is a ringing endorsement of our products.