This paper will present a system still in development that can be used both to generate electric energy and to start combustion engines. What's more, this system functions as multiband damper and takes over the complete flywheel function. Conventional technology as we know it today is briefly reviewed and subjected to a comparison with ISAD® technology.This paper contains system descriptions, readings and diagrams for various functions and a presentation of the whole system in a select trial vehicle.The results show that a system of this kind is not only capable of replacing current technology but can also cover all the (presently known) future requirements - noiseless start operation, low-vibration idle, acceleration boosting and an extremely powerful alternator (>6-10 kW at η > 80%), which allows, for example, for the electrification of all the vehicle's auxiliary aggregates. Significant fuel savings and emissions reductions are also achieved.The system can be used in passenger cars as well as in commercial vehicles (from regional distribution to heavy goods transport) and urban transit and long-distance buses. Manual transmission and automatic transmission (even CVT) can also be used.