The purpose of this research is to find an effective solution for reducing air pollution from automobiles by using the capabilities of copper nanoparticles. After decades of study, the catalytic converter's function in lowering pollution by introducing numerous adjustments to cars is now crystal clear. This research focuses on the advancements in the emissions control capability of catalytic converters utilizing copper nanoparticles in lieu of the noble materials currently utilized in catalytic converters. The prime reason for opting copper nanoparticles over its counterparts is its highly active surface area which facilitates effective reduction of exhaust emissions when they pass through the copper nanoparticles coated catalytic converter. Copper nano-particles have an excellent thermal and electrical conductivity apart from being non-toxic in nature. This research paper presents an experimental and empirical for analysis of performance an optimized catalytic converter coated with copper nanoparticles. From the obtained experimental and simulation results, it was found that the optimized catalytic converter with copper nanoparticles exhibited remarkable performance in restricting the emissions for different conditions of load on the considered four stroke spark ignition engine. The modeling and simulation performed in this research helps in analysis and replicating the results of the considered four stroke spark ignition engine set up with catalytic converter for all loading conditions in the range. The shortcomings of copper nanoparticles like increase in complexity of structure and issues of in heat management are faintly critical compared to its promising benefits for emission control. The research work leads to an effective and reliable solution for control of exhaust emissions from petrol vehicles using the capabilities of copper nanoparticles coated catalytic converter.