Koray Gencoglan, Osman Gezgin and Meliha Rigan 2025. ENERGY EFFICIENCY THROUGH COMBUSTION SYSTEM OPTIMIZATION IN REHEATING FURNACES: Received: 3rd October 2025 Revised: 16th October 2025, 20th November 2025 Accepted: 11th December 2025 Date of Publication: 17th December 2025. MATTER: International Journal of Science and Technology. 11, (Dec. 2025), 85–94. DOI:https://doi.org/10.20319/mijst.2025.11.8594.