Materials -- Cooking up Biofuel (image) DOE/Oak Ridge National Laboratory Share Print E-Mail Caption Used cooking oil can be converted into biofuel with carbon derived from recycled tires -- a new method developed by an Oak Ridge National Laboratory-led research team. Credit Oak Ridge National Laboratory/Dept. of Energy Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.