Blue hydrogen- what is it, and should it replace natural gas?

Tom Baxter* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to specialist publicationArticle


Blue hydrogen is often touted as a low-carbon fuel for generating electricity and storing energy, powering cars, trucks and trains and heating buildings. But according to a new report by Cornell and Stanford University researchers in the US, it may be no better for the climate – and potentially a fair bit worse – than continuing to use fossil natural gas, which currently keeps 85% of UK homes warm. In the US, about half of all homes use natural gas for space and water heating.

So what is hydrogen fuel – and what makes it blue?
Original languageEnglish
Specialist publicationThe Conversation
PublisherThe Conversation UK
Publication statusPublished - 13 Aug 2021


  • Fossil fuels
  • Emissions
  • Carbon dioxide (CO2)
  • Hydrogen
  • Methane
  • Carbon capture and storage
  • Natural gas
  • Decarbonisation
  • Blue hydrogen


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