Plastic to Protein Powder Process (IMAGE) Michigan Technological University Caption A diagram of the process by which the team converts waste plastic into protein powder and lubricant. Credit Steve Techtmann/Michigan Tech Usage Restrictions Please credit author and institution. 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.