Regen is a term often used to refer to the process of regeneration, which involves the renewal or restoration of biological systems. This can occur in various contexts, such as in nature, where ecosystems recover after disturbances, or in medicine, where tissues heal after injury. In technology, Regen can also refer to regenerative systems that harness energy from processes like braking in electric vehicles. These systems convert kinetic energy back into stored energy, improving efficiency and sustainability. This concept is crucial in advancing eco-friendly practices across multiple industries, including automotive and renewable energy.