More info including stuff that was previously told to some people I know on the hush hush during test drives has been discussed in this video about the Opel Ampera. Programmed to allow Autobahn cruising and allows more manual control allowing the gas engine to be controlled a bit more for efficiency for people driving longer distances and then ending up somewhere where battery use would be better such as a highway commute ending in a city.
Also discusses Chevy Cruze Eco and its freshly released 42mpg EPA Highway rating
Nissan Leaf driving range 70ish with climate control maxxed or 140 hypothetical hypermiles