[Mike Jackson]

Looks to me as though the solar is just a top up and you'll still need to charge it. Unless there are on street charging points it puts it out of the running for Joe Blogs in his terraced house with on street parking.

I'm also dubious about the environmental credentials of these so called "zero emission" vehicles. Unless the electricity is from renewable sources you will be polluting someone else's backyard whilst keeping yours clean. Factor in the transmission losses in the electricity distribution system and you could find the cars carbon footprint is quite high.