Images of carbon dioxide exhaust (IMAGE) Optica Caption e researchers used their new chemical species tomography setup to capture the first images of carbon dioxide exhaust from a commercial aircraft engine. At all thrust levels, a ring-structure of high carbon dioxide concentration can be seen in the central region of the engine. Credit Abhishek Upadhyay, University of Strathclyde 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.