| Summary: | Energy consumption is becoming the index of country development. Transportation sector is occupied the second position in total energy consumption. Traditional energy sources are obliterating out and leaving carbon foot prints on environment. Across the world plastic consumption and its disposal is increasing at exponential rate. The current research is aimed to utilize this plastic waste as an input for engine running in the form of plastic pyrolysis oil (PPO). Experiments are conducted with PPO on multi cylinder Maruti 800 petrol engine to evaluate the performance and emissions characteristics. The gasoline is blended with 15% PPO and with and without ethanol additive at 5%. The performance and emissions result of plastic oil blend is compared with pure petrol and ethanol added blend. The experimental outcomes clears, that the brake thermal efficiency of 15PPO is lower than that of pure petrol while the NOx emissions are substantially increased. Therefore, ethanol is added as an additive to control the NOx emissions, engine performance is improved compared to pure petrol and 15PPO. Emissions like CO, NOx are significantly controlled. Keywords: Spark ignition engine, Waste plastic oil, Performance, Emissions
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