Fuel Impact on Flue Gas Fouling in Fired Heaters: Techno-Environmental Analysis. - Petropoulou, Eirini; Giamalakis, Dimitris; Aristeidopoulou, Antonia; Plellis-Tsaltakis, Constantinos; Oakley, David; Kennedy, James; Pugh, Simon; Zettler, Hans; Ishiyama, Edward Masato (Heat Transfer Engineering, 2026)