The automotive supercapacitor application has witnessed a high-phase of investment and rese arch to build a sustainable cost-effective electric power source for vehicle on-board application. The technology implementation is currently in the testing and validation phase. Global technology regulatory bodies are trying to develop different set of outlining framework for safe application of the innovative supercapacitor technology in the main stream automotive market. The drivers for supercapacitor technology in the automotive industry are closely related to electrification, advance self-driving technology, and smart connected vehicles, whereas challenges come from the low specific energy density and low-cost benefit ratio.