This is pretty much all of eastern Oregon, parts of Nevada, Montana, the Dakotas, and Wyoming too. These areas are where a hybrid is a much better bet.You are talking about that route you take in the Mountain West with very sketchy DCFC coverage. Yeah... I wouldn't drive that one!
There are other scenarios that happen when people do human things like forget to charge prior to a trip, or get stuck in a snowstorm, use more power than anticpated climbing mountain passes, or plan on a charger along the route to be available and it's broken or another car is parked and using the solo charger, etc. In all these cases, getting a can of gas is time consuming, but doable. Not so easy with an EV unless one reaches the top of the pass on stray electrons and then can build charge via regen on the way down.
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