Mr. Truck, an astute expert in anything automotive, recently checked out our EconoMaxx fuel saving device. This is the first video of a 3-part series he completed to demonstrate how the EconoMaxx is installed in under 5 minutes as well as before and after testing of how the vehicle performs at cruising speed on fuel mileage. Unlike many other products Mr. Truck gets sent that promise fuel savings and performance increases, Mr. Truck chose our product because it actually works and delivers as promised. After watching this video, you will see the results speak for themselves. At 70 miles per hour, the EconoMaxx managed to save 2.5 miles per gallon when empty and 1 mile per gallon when towing 12,000 lbs.