Green Gold (IMAGE) DOE/Pacific Northwest National Laboratory Caption Derived from plants, bio-oil can be processed into gasoline, diesel or other typical petroleum products such as plastics. Credit PNNL/Eric Francavilla Usage Restrictions Please credit PNNL License Licensed content 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.