WASHINGTON, Sept. 5 -- The U.S. Department of Energy Pacific Northwest National Laboratory issued the following article: Have U.S. Natural Gas Pipelines Forged a Path for the Future of Hydrogen? * Over the course of a century, the natural gas industry has proven the effectiveness and convenience of its vast pipeline network. As the United States continues to explore opportunities in American-made hydrogen fuel for transportation and industry, researchers at the Department of Energy's (DOE's)   more