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As part of DOE's 21st Century Truck Partnership, the Advanced Heavy Hybrid Propulsion System (AH2PS) Project has awarded four cost-shared subcontracts. All the projects will develop and validate advanced, next-generation heavy hybrid propulsion components and systems to increase fuel economy in medium- and heavy-duty vehicles as much as 100%, while maintaining the Environmental Protection Agency's 2007-2010 emission standards. AH2PS-developed technologies are projected to save approximately 20 million barrels/year of oil in 2010 and 250 million barrels/year of oil in 2020.
In September 2002 the first subcontract was awarded to Eaton Corporation-Truck Components for $7 million over a three-year period. International Truck and Engine Corporation, Ricardo, and Hitachi are partners with Eaton on this Class 4-6 hybrid truck team.
 Oshkosh Truck Corporation was awarded the second three-year subcontract in February 2003 for $9 million. Oshkosh will research, develop, and validate advanced hybrid powertrain technologies, power electronics, energy storage technologies, and powertrain control systems for Class 7-8 truck applications. Rockwell Automation, Rockwell Scientific, Ohio State University, ElectraStor, and JME are teaming with Oshkosh on this project.
 The third three-year ($9 million) subcontract was awarded to Allison Transmission, a division of General Motors. GM-Allison will research, develop, and validate advanced, next-generation hybrid powertrain and motor technologies for a heavy-hybrid electric bus application.
 The fourth subcontract, awarded to Caterpillar Inc., is a $2 million, two-year subcontract. Caterpillar Inc. will research, develop advanced next-generation hybrid waste energy recovery systems to support and enable heavy vehicle hybridization and electrification.
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