Today I did one of my infrequent test of total plug-in battery capacity. My 2017 Energi has 57,000 miles on it. Today I got 4.1 KWH out of the battery before the car went to hybrid mode. When new, the car got 5.5 KWH out of the battery, so it's lost 75%. From what I read here and on the old  forum, that's not unusual. I can see several possible ways to feel about this. What's your preference?   1) Holy Spit! My car's one-quarter worn out. Better sell it before it's too late! 2) Ho