Did you know reheating of cooking oil changes its chemical composition? This chemical change produces harmful substances that can cause health hazards. So it is best not to consume it. These students have come up with an eco-friendly method to reuse the waste oil instead of discarding it. To conduct the experiment, the students have used waste cooking oil, solution of ethanol and potassium hydroxide and water bath. Watch this video to learn how to create an alternate for diesel fuel!