Oshkosh Developing ProPulse Technology To Reduce Emissions and Boost Fuel Economy Oshkosh Truck Corporation (NASDAQ:OTRKB - news) unveiled its new diesel-electronic propulsion technology at the Association of the United States Army's annual exhibition in Washington, DC, October 16 - 18. Known as ProPulse(TM) technology, this system can improve fuel economy by up to 40 percent, significantly reduce emissions, and enhance vehicle reliability. It is designed specifically for the performance demands of heavy truck applications.