10% vs 30% corresponds to whatever arbitrary voltage they select but I doubt they are selecting for battery durability over all else since marketing max run time is so important.
Automotive engineer that doesn’t work on EVs here… there is a lot that goes into the battery. Heating and cooling elements for instance. You’re right, max runtime is the number one factor, but this can be gamed just like MPG ratings.
I’m not sure many reviews are checking 0-60 times at 20% battery for example.
My EV has a hilarious “miles remaining” number that INSTANTLY changes when the HVAC is on, doesn’t matter if it’s only slightly on or not, I instantly “lose” 8 or 9%. It’s pretty loose. As to what I actually get? Doesn’t really matter, never even compared to rating, mfgs know we use these cars for city travel.
The small percentage of EVs you see on long haul highway, owners already know to carefully plan their trips.
Depends on the locations and cars in question; on the east coast there are lots of DC Fast charging stations between anywhere and anywhere else.
This is double true for Tesla where there are superchargers nearly everywhere. With access superchargers, road trips are roughly as complex as driving a diesel with a 5-8 gallon tank.
Also the tesla UI is very good at managing the trip so it is trivial to offload the "how do I get there including charging" task to the UI.
