In a heavier vehicle, regen braking adds up to a lot of savings in both fuel and brake maintenance. Using a battery that’s much smaller than used in a BEV will also reduce long term replacement cost. V8 driving a generator at relatively constant load is probably better for life so long as regularly serviced.
No tranny, no driveshaft, no transfer case, no differential. It’s a lot simpler and should be more durable. And it won’t run all the time. May only be needed intermittently.
So out of curiosity, how durable long term would this sort of powertrain setup be? It seems quite complex. I could see that being off-putting to super duty owners who routinely put their trucks through intense abuse and expect them to work flawlessly. Is this sort of thing more or less reliable than a conventional hybrid?