Biodiesel is a renewable, biodegradable, and nontoxic fuel that can be derived from vegetable oils by transesterification. In this study, Sclerocarya birrea oil (SCO), melon bug oil (MBO), and sorghum bug oil (SBO), three long-term stable oils from Sudan, were transesterified using methanol or ethanol in the presence of sulfuric acid; the obtained biodiesel characteristics were studied in ac…