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.
The average motor vehicle, including light trucks, in the US had a fuel economy rating of 17.1 MPG or 13.8 liters per 100 kilometers. The average fuel economy for passenger vehicles in the United States has remained stagnant throughout the 1990s and 2000s, peaking in 2001 and 2004.