Why Hydrogen

The Fuel of the Future

All around the world, governments are committing to net-zero emissions. Due to this, unprecedented opportunities are being created for renewable energy to replace traditional methods that produce vast amounts of carbon pollutants.

Hydrogen is the most common resource on earth and beyond. It is the base element for 75% of our universe and is found in all living things — animals, plants, and humans — which is why it is considered to be the fuel of the future. Hydrogen is an extremely versatile, clean energy source that can be used across many industries and demand is growing rapidly as governments and companies race to revolutionise energy production.

Types of Hydrogen

Emissions Generating Hydrogen

Hydrogen can be broken down into two main types: emissions generating and zero-emissions hydrogen.

  • The production methods for this type of hydrogen produce a varying degree of emissions, depending on the process
  • Most of the hydrogen produced today is grey. Powered by non-renewable gas like methane, grey hydrogen releases carbon dioxide into the environment.
  • Produced by burning coal, brown hydrogen is the most damaging kind of hydrogen generating high levels of carbon dioxide.
  • Blue hydrogen is often described as ‘low-emissions’ due to the process of steam methane reforming, which produces a chemical reaction that creates hydrogen and carbon dioxide. State-of-the-art technology is then used to capture 90% of the greenhouse gases that would otherwise be released into the atmosphere.

Zero Emissions Hydrogen

The production methods for this type of hydrogen do not produce any emissions.

  • Green hydrogen is created using electrolyser technology, using renewable electricity to split water into hydrogen and oxygen
  • Emerald hydrogen is made by converting biomass and feedstock into gas. The process involves the biowaste being ignited and then retracted so an air injection point can gasify the fuel.
  • Pyrolysis is used to split methane which creates hydrogen and biochar — another valuable resource.

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