Biorefinery Oregon (image) University of Washington Caption An aerial view shows a schematic image of ZeaChem's 250,000-gallon-a-year biorefinery in Boardman, Ore., that will be completed this year. Site advantages include being close to abundant biomass resources, as well as barge and rail links, the firm says. Credit ZeaChem Usage Restrictions Credit required 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.