Reducing Vehicle Emissions (IMAGE) DOE/Pacific Northwest National Laboratory Caption A discovery from Pacific Northwest National Laboratory and collaborators could help reduce the amount of expensive metals needed to treat vehicle exhaust by making the most of every precious atom. Credit Photo by Andrea Starr | Pacific Northwest National Laboratory Usage Restrictions No restrictions. License Public Domain 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.