Agree. I'm still waiting for someone else to truly take up the mantle of the Voltec approach, and keep wondering if GM will come back to it now that the consumer interest is catching up to what Voltec was offering 11 years ago. I do get that as a compromise, the Voltec drivetrain doesn't do the best in terms of efficiency once you're in ICE mode, so you end up with a car, on paper, that gets 42mpg.. an Accord or Camry hybrid look better on the window sticker. Of course, most of us Volt owners are actually getting hundreds of mpg in real life, but that doesn't make it to the window sticker. The way I've always felt is that it's the drivetrain Americans actually need, if they could only be convinced to want what they need.
My big issue with other PHEV offerings is that other than the Volt, i3, and maybe the Rav4 Prime, most the PHEVs since the Volt have such small electric motors that they must inevitably depend on ICE for typical use, which defeats most of the purpose of a PHEV for me. I could be wrong, but it seems that the Volt and i3 still stand out as the only PHEVs that are genuine BEVs until the battery is depleted.