Researchers have discovered a palladium and platinum catalyst that is able to eliminate methane emissions from transport and other human activities to reduce global warming.
and its petroleum-based counterparts, the methane associated with its burning has 34 times the warming power of CO2 over 100 years and 86 times over 20 years.
In the paper, they explain that for some time, the best catalysts for removing methane used palladium nanoparticles supported by ceramic oxides. However, these catalysts stop working in the presence of water vapour, which is always the case in natural gas combustion. To solve this issue, the researchers propose adding platinum atoms to the palladium nanoparticles.
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