SwRI Liquid Hydrogen Storage Tank (IMAGE) Southwest Research Institute Caption The SwRI liquid hydrogen storage tank stores 17,00 gallons of liquid hydrogen and can continuously supply gaseous hydrogen to research facilities across its San Antonio campus to support government and industry research initiatives. Credit Southwest Research Institute Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only. 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.