[dcb]

Dude, do an accounting of the losses of a series drivetrain, just once, without the rose colored glasses. The "efficiency envelope" for an ICE is also much larger than steady state cruise. This seems like a very unbalanced viewpoint you have.

Yes all drivetrains have losses, but driving the wheels directly gives the volt a 15% boost in efficiency, so that should be a clue as to how sloppy series is.