Emission Analysis of Blended Pyrolysis Oil Derived from Waste HDPE and Coconut Shell in CI Engines. - Karthigairajan, M.; Senthur, N. S.; Dineshkumar, S.; Soundarya, M. K.; Chan, Choon Kit; Ganesh, M.; Shengqi, Liu (International Journal of Vehicle Structures & Systems (IJVSS), 2026)