Shift your weight onto your elbows as you step back with the other foot and place your feet together. Hold until your form starts to fail or until you are no longer able to keep our abs pulled to your back. Step into the ball with one foot at a time. 1  Equipment notes.
For comparison's sake, most modern trucks manage between 5.5 and 6.5 mpg. For most long-haul truck drivers, an increase in fuel economy of 54 percent would equate to a savings of around $25,000 per year at current diesel prices.
In 312 miles of testing, the SuperTruck returned the near-10 mpg figure with a gross weight of 65,000 pounds. Some of the other statistics associated with the truck's efficiency are even more eye-opening. Consider, for example, the fuel savings of a truck that achieves 54 percent better than usual economy.