Bio-coal (IMAGE) DOE/Pacific Northwest National Laboratory Caption Pacific Northwest National Laboratory is collaborating with ThermChem Corporation of Portland, Ore., to evaluate how the company could make its process to produce bio-coal from dairy manure more cost-effective. Shown here are bio-coal pellets made with ThermChem's process. Credit ThermChem Corporation Usage Restrictions Credit ThermChem Corporation 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.