o Renewable and hybrid energy systems
o Hydrogen and fuel cell technologies
o Waste-to-energy and circular energy solutions
o Carbon capture, utilization, and storage (CCUS)
o Energy-efficient and net-zero energy building
o Energy generation, utilization, conversion and transmission
o Energy, exergy, exergoeconomic and environmental (4E) analysis
o Numerical, and CFD studies in thermal engineering
o Advanced heat transfer and thermal management
o HVAC systems for sustainable buildings
o Thermal energy storage and conversion
o Supercapacitors and hybrid electrochemical energy storage systems
o Battery thermal management systems (BTMS)
o Next-generation battery technologies
o Electrochemical storage for renewable integration
o Biofuels, synthetic fuels, and e-fuels
o Future of Alternative and Sustainable Fuels
o High-efficiency combustion and propulsion systems
o Clean Combustion Strategies for IC Engines
o Emissions reduction and engine optimization strategies
o Nanomaterials and nanocomposites
o Bio-based, biodegradable, and recycled materials
o High-temperature and corrosion-resistant materials
o Additive manufacturing and advanced fabrication techniques
o Smart materials
o Life cycle assessment of advanced and functional materials
o AI- and ML-based modeling, optimization, and control of energy systems
o Machine learning for renewable energy forecasting (solar, wind, hybrid systems)
o Deep learning, neural networks, and hybrid AI models for energy applications
o AI applications in smart grids, microgrids, and energy management systems
o IoT integration in energy systems
o Energy policy and climate strategies
o Defence energy security and strategic sustainability
o Technology transfer and commercialization pathways
o Policy frameworks for hydrogen, bioenergy, and alternative fuels
o Net-zero roadmaps, national strategies, and long-term decarbonization planning