comment: >
  
  Why put in a pipe, something which brittles metal, a gas which is all around us and isn't location specific like oil? Seems like an ecological distaster for the sake of a head line towards progression
context: Is it really green or does it use a lot of hydrocarbons to produce? >
  
  Coming from Spain (sunny place) presumably solar. The article states
  
  hydrogen, made from water via electrolysis using renewable energy >
  
  That's the quotes on green for >
  
  That indicates either that the journalist is quoting how someone else characterizes the pipeline, or is trying to clarify that being green means being good for the environment, not literally green colored. >
  
  Thanks