While I might argue the vehicle choice and even more so the given commute of 110 miles each way (seriously this is just ridiculous, ~3.5 hours of driving a day! not how I want to spend my life), it is quite impressive to see that the Volt is holding up so well under the circumstances. He does have nearly 150k EV miles on the Volt, so he is plugging in quite a bit.
https://insideevs.com/chevy-volt-400...y-degradation/
Stats:
400,000 miles
EV %: 35%
MPG: 59
MPGe: 48