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Joined 3 years ago
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Cake day: July 4th, 2023

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  • After much thought and googling, really that’s before and after dieselgate.

    NO2 is a notorious byproduct of diesel engines at 10x the rate of gasoline cars. Dieselgate cars emitted 40x the legal amount. You can’t quite do this, but roughly that means a dieselgate vehicle emitted 400x the NO2 of a gasoline car. Aka a single dieselgate vehicle was equivalent of 400 gasoline cars.

    Now let’s get the absolute number of cars. France had 984,064 dieselgate affected vehicles. Paris has about 19% of France’s population. Assuming equal ownership that’s 186,972 dieselgate affected cars in paris. At 400x the emissions of gasoline cars that’s the equivalent of a whopping 74,788,800 gasoline cars.

    So replacing the dieselgate affected cars with gasoline cars (apparently the popularity of diesel peaked around then and has been declining since) is the equivalent of removing 74,788,800 - 186,972 = 74,601,828 vehicles off the road in paris alone.