The article discusses the advancements in utilizing fuel cells (FCs), supercapacitors (SCs), and photovoltaic (PV) systems in future vehicle engines to address the challenges of global warming and improve energy efficiency. FC hybrid electric vehicles (FCHEVs) are being explored as a promising solution, with SCs complementing batteries to enhance power storage and efficiency. The integration of PV systems on vehicles can reduce fuel consumption and provide continuous power, though cost has been a barrier. Control strategies and power management systems are evolving to optimize the performance of hybrid energy sources in vehicles. Various studies propose innovative energy management strategies, including intelligent control systems like Fuzzy Logic Control and Genetic Algorithms. Researchers are focusing on developing control strategies to manage power flow efficiently and integrate multiple energy sources seamlessly into vehicles. The goal is to revolutionize future vehicles by combining FCs, SCs, and PV systems to enhance energy efficiency, reduce pollution, and improve overall sustainability.