The present research examines the combined pyrolysis of rice stubble and waste motor oil, utilizing a laboratory-scale pyrolysis setup to generate alternative energy fuels. This approach leverages the hydrogen-rich nature of waste oil to improve the quality of the resulting fuel. The goal of the study is to enhance the yield of co-pyrolytic oil by optimizing process parameters such as reactor temperature (TR, °C), blending ratio (M, %), and residence time (t, min). The work also evaluates improvements in pyro-oil quality when using rice stubble alone. A maximum oil yield of 89% was achieved under optimized conditions of 500°C, 95ppele% blending ratio, and 20 min of reaction time. Besides, the absence of undesirable components like the thiols and acids or esters was found in the co-pyrolytic oil favoring its usage toward alternative fuel. Further, the alignment of the BET and FESEM results suggests that the co-pyrolytic char possesses better absorbent properties due to improved pore volume and surface area than the pyrolysis of individual feedstocks.