PITTSBURGH, Pennsylvania, Oct. 29 -- The U.S. Department of Energy's National Energy Technology Laboratory issued the following news: Researchers at NETL and the University of California San Diego have completed a series of studies that found hydrogen -- a low-carbon fuel with tremendous potential to help the United States meet its climate change goals -- can be stored in the subsurface without significantly altering the layer of protective shale caprock, which seals the storage reservoir and p  more