“…Different approaches have been reported on utilization of TPO in diesel engine like blending TPO with diesel (Frigo et al, 2014, Martínez et al, 2014Aydın et al, 2015& Seljak et al, 2015 or biodiesel (Sharma et al, 2015 (a); Sharma et al, 2015(b)), increasing the intake temperature of air (McNeil et al, 2012), increasing compression ratio (Van de Beld et al, 2013),varying injection timing and pressure (Sudershan et al, 2018a), artificial neural network (ANN) modeling (Khandal et al, 2020).…”