The current state of the economy, community growth, use of gasoline and diesel, and oil depletion problems are all significant factors in the creation of the next generation of power generation. Presently, diesel fuel, a type of regular petroleum product is used for commercial purposes, electricity production, and transportation. We could use enriched biogas like a diesel alternative fuel in regular C Iengines. This article's main focus was the study of theeffect ofenriched biogas being used in a stationary single-cylinder CI engine Data on various compression ratios, crank angles, and exhaust emissions for different loads were collected using the Tagauchi approach in comparison to the performance parameters. By making more observations under different loads, we can get different reading performance parameters, such as brake-specific fuel consumption, brake power, brake mechanical efficiency, indicated power, brake thermal efficiency. In this research, the experimental study is done using the Taguchi technique to examine the best input factors to get the performance of the C. I engine running on enriched biogas (CO2 − 3.05 %, H2S − 87 ppm, Calorific Value −48,488 kJ/kg, Moisture −1.07 %, O 2–1.07 %, CH 4–94.69 %). The engine and Taguchi L-9 orthogonal array are used in the experimental to evaluate the engine at various injection angles, compression ratios, and operating loads. S/N (Signal-Noise) ratios were used to assess the data for each factor. An enriched biogas-powered single-cylinder four-stroke diesel engine with an injection angle of 23obTDC and a compression ratio of 16:1 produces the best results when the maximum load is between 9 and 12 kg. In comparison to previous combinations, this result demonstrates an improvement in IP of 12.1684 %, mechanical efficiency of 3.63 %., BP of 8.641 %, BTE of 3.48 %, BSFC of 13.33 %.