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.
Answer Wiki. At that weight, 9 - 11 mpg or 3 - 3.8 km/L is standard here for trucks doing mainly highway miles with some mixed driving. *Calculated in Imperial gallons.