Gassing up? (IMAGE) DOE/Sandia National Laboratories Caption Matthew Paul, a Sandia National Laboratories geosciences engineer, works on a gas adsorption system in a fume hood as part of a project to see if depleted petroleum reservoirs can be used for storing carbon-free hydrogen fuel. Credit Craig Fritz/Sandia National Laboratories Usage Restrictions Non-commercial and news usage with credit 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.