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Hybrid electric vehicle with hydrogen fueled internal combustion engine could be an interim between current vehicles and fuel cell vehicles which are thought to be more of far term reality. This paper introduces the hydrogen engine powered parallel hybrid electric vehicle developed by Texas Tech University Advanced Vehicle Engineering Lab. It presents the innovative use of LabVIEW Real-Time controllers to develop the prototype vehicle powertrain control system. Then it discusses the hydrogen engine control issues and presents the development of the engine control unit by LabVIEW FPGA. Vehicle communication issues among the distribution management system are presented. The vehicle test results are also shown in this paper.