https://interestingengineering.com/energy/hyundai-hydrogen-production-testing
The waste-to-hydrogen takes organic waste and break it down with microorganisms in a process called anaerobic digestion, according to Hyundai. This process enables the transformation from waste to biogas. And then biogas is upgraded to biomethane, while removing CO2 and impurities, and biomethane, which is then reformed and reborn as hydrogen.
The company claims that the greatest advantage of waste-to-hydrogen is the ability to establish mini hydrogen production hubs at the regional level. Achieving hydrogen resource independence becomes feasible by reducing the cost of the hydrogen transportation and storage process, according to Hyundai.
The company also claims that plastics which cannot be recycled and end up being incinerated or deposited in landfills – such as contaminated plastic, composite material waste like toys, and vinyl – can be utilized as materials to produce hydrogen, contributing to the solution of waste issues.