AGUDELO, J.; BENJUMEA, P.; VILLEGAS, A. P. Evaluation of nitrogen oxide emissions and smoke opacity in a HSDI diesel engine fuelled with palm oil biodiesel. Revista Facultad de Ingeniería Universidad de Antioquia, [S. l.], n. 51, p. 69–78, 2013. DOI: 10.17533/udea.redin.14921. Disponível em: https://revistas.udea.edu.co/index.php/ingenieria/article/view/14921. Acesso em: 9 mar. 2025.