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Samsung’s 20-year-life EV battery runs 600 miles on 9-minute charge
(interestingengineering.com)
This is a most excellent place for technology news and articles.
The traffic noise will stay the same, from tires, honking and some fake engine noise they'll mandate for pedestrian safety.
Do yourself a favor and spend some time in an area without cars. It's amazing what it does to your mental health.