The plan will minimize environmental and community impacts by maximizing use of existing pipeline and utility corridors and existing natural gas infrastructure, the company said. (utilitydive.com)
It can't use existing pipelines, as hydrogen damages the metal and leaks far too readily. (dotearth.blogs.nytimes.com)
Supporting a rail system powered by hydrogen fuel cells, for example, would require an entirely new infrastructure because hydrogen, being a small molecule, would leak through existing pipelines. (scientificamerican.com)