Straw (1 of 2) (IMAGE) Helmholtz Centre for Environmental Research - UFZ Caption Straw could supply energy to several millions of households in Germany. Credit Photo: Stefan Michalski/ UFZ 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.