Efficient Drivetrains, Inc. (EDI) is a global leader and innovator of advanced, high-efficiency Plug-in Hybrid Electric Vehicle (PHEV) and full Electric Vehicle (EV) drivetrains, exportable power, vehicle control software, and idle mitigation solutions. EDI offers advanced high efficiency PHEV and EV drivetrain systems and sophisticated control software in combination with optional AC Power export and idle mitigation solutions to enable vehicle OEMs and modifiers to rapidly and cost effectively introduce superior hybrid and electric vehicles to the market.   Our products and services enable accelerated PHEV and EV development for light, medium, and heavy duty vehicle applications, and allow our customers to bring superior vehicles to market quicker with competitive advantages in efficiency, affordability, and performance. In addition to our range of products and solutions, we also offer professional services and technical support for customers and partners--enabling them to rapidly prototype and then move from concept to volume production.   EDI's Global Headquarters and Silicon Valley Innovation Center is located in Milpitas, CA.  The company also has a vehicle engineering and integration center in Dixon, CA, as well as offices in China.