Thorough examination of CI engine performance metrics and emission patterns with incorporation of sustainable waste cooking oil biodiesel blends across diverse nozzle pressure regimens: A numerical study: EFFECT OF NOZEL PRESSURE VARIATION ON CI ENGINES RUNNING ON WCO BIODIESEL A NUMERICAL STUDY. (2025). Indian Journal of Engineering and Materials Sciences (IJEMS), 31(5), 728-741. https://doi.org/10.56042/ijems.v31i5.11105