The low population density is arguably caused by the bad planning.
>make it a place ill-suited to public transportation.
I'm quite convinced that you will not be able to drive yourselves out of the issue you have in the U.S - you'll need to retrofit what you have to make it amenable to proper public transportation. EVs help a bit, but only really with the carbon dioxide-issue - everything else bad about cars is still bad with EVs.
The low population density is arguably caused by the bad planning.
>make it a place ill-suited to public transportation.
I'm quite convinced that you will not be able to drive yourselves out of the issue you have in the U.S - you'll need to retrofit what you have to make it amenable to proper public transportation. EVs help a bit, but only really with the carbon dioxide-issue - everything else bad about cars is still bad with EVs.