Washington Clean Energy Testbeds (IMAGE) University of Washington Caption This is a UW student working on the roll-to-roll printer at the Washington Clean Energy Testbeds. Credit Matt Hagen/UW Clean Energy Institute Usage Restrictions Must include credit. 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.