Effect of Injection Timing, Pressure and Preheating on Exhaust Emissions of Ceramic Coated Diesel Engine with Pongamia Biodiesel. Int. J. Curr. Eng. Technol. [Internet]. 2016 Oct. 31 [cited 2026 Mar. 13];6(5):1841-8. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/3206