Sorry to have ruined it, but it's not so much about the MPG thing for me as it is breaking free from the Big Oil-Washington-OPEC axis of evil stranglehold thing.

As regards your question, you'd still have regenerative capacity, once the ICE kicked in, and maybe it'll be more than 9 miles: http://www.autoexpress.co.uk/news/66...ts_113mpg.html