Ahmed A. Alharbi et al. 2022. A Comprehensive Experimental Study on NOx Emissions and Fuel Consumption for SI Engine Fuelled with a Mixture of Gasoline, Hydrogen-rich Synthesis Gas and Hydrous Ethanol. Technological Innovation in Engineering Research Vol. 6. (Jul. 2022), 7–62. DOI:https://doi.org/10.9734/bpi/tier/v6/16722D.