Influence of Injection Timing and Preheating on Exhaust Emissions of Di Diesel Engine with Air Gap Insulation with Linseed Biodiesel. International Journal of Current Engineering and Technology, [S. l.], v. 6, n. 1, p. 168–173, 2016. DOI: 10.14741/. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2646. Acesso em: 30 apr. 2026.