<strong>Yahoo Message Number: 68325</strong>A 68% increase in fuel mileage? If we just assume that to be true for a minute we can do some quick math.<br/><br/>1. Most recent readily available information on number of 18 wheelers on the road is from Bureau of Transportation for 2002. About 1.2 million trucks <br/>2. A single truck driven 100,000 miles per year at 6+mpg uses about 16,000 gallons of...