https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3325559Edit ImageSaveSaveEditCropCustom TextMay 02, 2013 - NREL researcher Guido Bender, works on gas manifold corridor for cell testing in the Fuel Cell Test and Development Lab at the Energy Systems Integration Facility (ESIF) at the National Renewable Energy Laboratory in Golden, Colorado. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 798 px | 300 dpiLarge JPEG 3500 x 2329 px | 300 dpiBest Quality JPEG 4174 x 2777 px | 300 dpiFree DownloadMay 02, 2013 - NREL researcher Guido Bender, works on gas manifold corridor for cell testing in the Fuel Cell Test and Development Lab at the Energy Systems Integration Facility (ESIF) at the National Renewable Energy Laboratory in Golden, Colorado. Original public domain image from FlickrMore