This course will begin by providing a historical perspective of Hybrid Electric Vehicles. Next an overview of the Toyota input split e-CVT fundamentals and operation, and the Ford input split e-CVT fundamentals and operation will be presented. The course will then focus on e-CVT dynamics. Electric variator theory and input split examples will be provided followed by a presentation of GM-Allison compound split fundamentals and operation. Next, Compound split dynamics will be presented followed by the Timken compound split system and the Renault compound split system. Finally, energy storage system technologies will be presented as well as a summary and cost illustrations. After completing this course you should be able to develop an understanding of: The history of Hybrid Electric Vehicles; Electric veriator theory; Energy storage system technologies.