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June 2003
 DOE's Advanced Heavy Hybrid Propulsion System (AH2PS) Program has awarded a $9 million, cost-shared, three-year subcontract with Allison Transmission, General Motors Corporation. As part of the 21st Century Truck Partnership (under the FreedomCAR Program), the project will develop and validate advanced, next-generation heavy hybrid propulsion components and systems to significantly increase fuel economy in medium- and heavy-duty vehicles. The project will also advance this technology's development toward the DOE's fuel economy goal of 100%, while maintaining the Environmental Protection Agency's emission standards. AH2PS-developed technologies are projected to save 20 million barrels/year of oil in 2010 and 250 million barrels/year of oil in 2020.
 GM-Allison Transmission will research, develop, and validate advanced, next-generation hybrid powertrain and motor technologies for a heavy-hybrid electric bus application. GM-Allison presented its Implementation Plan Briefing to DOE/NREL on July 23 at DOE headquarters. The briefing included discussions on task plans, program schedule, lower tier subcontracts, and technical challenges to overcome in implementing its next-generation hybrid propulsion system technologies into a hybrid transit bus application.
The GM-Allison project joins the current subcontracts under the AH2PS Program-Oshkosh Truck Corporation project, a $9 million, three-year subcontract, and the Eaton Corporation project, a $7 million, three-year subcontract.
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