Earlier quoted context omitted.
EVs help with air pollution & congestion, but a huge part of the AQI impact of cars is tires, and I don't think there's a solution for that yet short of "fewer cars"
How do EVs help with congestion? They take up the same amount of space as an ICE car.
Wherever there would be the most congestion is precisely where the app will give you the biggest discount to switch from your private vehicle into a bus, then switch back into another private vehicle for the last 5 minutes of your trip.