According to most estimations, a gasoline-powered car's catalytic converters convert approximately 90% of the hazardous hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx) from the engine into less dangerous carbon dioxide (CO2), nitrogen, and water vapour.
Additionally, diesel engines release pollutants. Using a catalyst and a particulate filter together can cut down on ultra-fine particles by 99 percent and lower their bulk by 90 percent.
Utilizing a catalyst—typically a pricey metal like platinum or palladium—catalytic converters accelerate chemical interactions between oxygen and air pollutants to transform them into less harmful byproducts like water vapour, carbon dioxide, and nitrogen gas.
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