Mohd Saad Saleem, Saimah Khan2026-09-222025979-8-89695-198-810.5281/zenodo.17362897http://136.232.12.194:4000/handle/123456789/2198MODERN APPROACHES IN APPLIED MECHANICAL ENGINEERING- 2025 Edited By Prof. Dr. Kamal BOUZIDThis chapter provides a comprehensive examination of the revolutionary developments in electric and hybrid vehicle powertrain technologies from 2020 to 2025. The analysis reveals that series-parallel hybrid systems have achieved market dominance with 89% growth in 2024, while advanced energy management strategies demonstrate potential for 20-35% overall system efficiency improvements. The integration of emerging technologies such as solid-state batteries with 750-mile range potential and multi-phase motor architectures achieving 10% efficiency gains represents a paradigm shift toward sustainable transportation solutions. From a mechanical engineering perspective, the field faces critical challenges in thermal management system design, vibration control for in-wheel motor applications, and the integration of advanced power electronics with traditional mechanical systems.en-USNATURAL SCIENCES::ChemistryBook chapter