Carbon footprint is one thing to be critical about, but a bigger advantage with electric vehicles is removing point source pollution and moving the ghg production to powerplants. Powerplants are usually farther away from people (not idling under their windows) and often have more stringent emission standards than vehicles. There's also the opportunity to make electric vehicles with renewable energy barring the petroleum products that compose the vehicle itself.
Point source pollution, and also I am guessing, about 85% of dense urban daytime noise where average speeds are below 20mph. HVAC and tire noise make up a considerable portion of the remainder. Big cities are about to get a lot quieter over the next 20 years.
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