BioTAL and PDK plastic (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Raw bioTAL (left) can be combined with other chemicals and processed into a biorenewable, recyclable PDK plastic (right). Credit Jeremy Demarteau/Berkeley Lab 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.