Complex sentence: In one study a new catalyst was developed for the generation of biodiesel from ethanol and fatty acids such as oleic acid or stearic acid by carbonization of simple sugars such as glucose and sucrose.
Split into simpler sentences: In one study carbonization was used to create a new catalyst for the generation of biodiesel from ethanol and fatty acids. The catalyst was created by carbonization of simple sugars such as glucose and sucrose.