Rice Plants at Joint BioEnergy Institute (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Rice is a staple for half the world's population and the model plant for grass-type biofuel feedstocks. Credit Photo by Roy Kaltschmidt, Berkeley Lab Usage Restrictions None 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.