The automotive industry is facing increasing pressure to reduce energy consumption and greenhouse gas emissions while maintaining high operational efficiency. This article examines energy management system models proposed in the literature, with particular emphasis on their applicability to the automotive sector. A systematic research methodology was applied, including a literature review, an analysis of existing EMS models, an assessment of the requirements and guidelines of ISO 50001 and ISO 50004, as well as an evaluation of the energy-consumption profile of vehicle manufacturing processes. The results indicate limited integration of multiple energy carriers and highlight the growing need to incorporate sustainability principles into energy-related decision-making. Based on the identified gaps, a conceptual model of a Sustainable Energy Management System (S-EMS) dedicated to the automotive industry is proposed. The model integrates both the functional and infrastructural requirements of modern manufacturing plants, addressing high-energy-intensity processes such as paint shops, robotics, compressed air systems, and HVAC (Heating, Ventilation, Air Conditioning). Particular attention is given to the role of hydrogen as a complementary energy carrier, especially in high-temperature applications and future low-emission production scenarios. The proposed S-EMS framework emphasizes requirements related to measurement systems, digital infrastructure, and integration with operational strategies oriented toward sustainable development. The article concludes with a synthesis of the main findings, a discussion of technological, economic, organizational, and regulatory limitations, and an outline of future research directions concerning hydrogen integration and the development of standardized S-EMS architectures.