The platinum catalyst is intended for decrease the toxicity of combustion gases. 2CO + O₂ = CO₂ 2NO = N₂ + O₂ 2NO₂ = N₂ + 2O₂ But at the same time the carbon dioxide - greenhouse gas is formed.
Fission is a term that means when a large atom breaks into smaller atoms. It’s counterpart, Fusion, is the opposite, where small atoms fuse into larger atoms.