“…In addition, the higher oxygen content of biodiesel enhances the oxidation of CO to CO 2 , which is beneficial for reducing the production of CO [ 87 ]. Madhu et al [ 88 ] and Mahmood et al [ 89 ] arrived at comparable findings. According to this study, it is known that increasing the proportion of biodiesel can reduce CO emissions and provide a reference basis for controlling CO emissions.…”