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Updating California’s grid for EVs may cost up to $20 billion
(arstechnica.com)
This is a most excellent place for technology news and articles.
What's the cost of not doing it in the long run?
The entirety of human civilization and a severe destabilization to all life on the planet.
Cost? The benefit is no longer wasting resources on a mode of transportation that's inherently unsustainable, destructive, etc. Those resources would be much better allocated to public transit, light EVs, etc.
I meant for my question to be rhetorical. It should be unthinkable not to do it in the long run. $20bn is a lot of money, unless you consider the cost of completely fucking up your planet or whatever.