Parasitic Loss Reduction for 21st Century Trucks

To reach its objective of reducing vehicle fuel consumption by 50 percent, the development of the 21^st Century Truck (21T) will address all the aspects of truck design contributing to the achievement of that goal. [1] This paper will address one of these aspects, specifically vehicle parasitic loss reduction with special emphasis on drive train losses, concentrating on the potential benefits of replacing mechanical coolant (water) and oil pumps with electrically powered pumps.