Green Diesel for the Road Ahead (IMAGE) DOE/Pacific Northwest National Laboratory Caption A new Co-Optima report identifies the top 13 blendstocks derived from biomass for diesel engines that have the potential for decreased emissions and increased operability. Credit Composite image by Shannon Colson | Pacific Northwest National Laboratory Usage Restrictions None License Original 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.