1973 – Catalytic converter - Deepstash

1973 – Catalytic converter

This technology was designed to clean up polluting exhaust fumes by reducing toxic emissions created by the engine. Catalytic converters became compulsory in petrol cars from 1993.

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timeline

“I like to challenge myself and give myself a timeline. It pushes me to be more creative and actually do these things, not just dream about them.”

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Centers of Progress

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The historical significance of urban centers

The impact of cultural and technological advances

The role of urban centers in shaping society

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