Quote Originally Posted by Dave+63 View Post
If they can get it cheap and light enough, it’s a free nine or ten miles a day as long as you don’t park it undercover. Even when you’re driving you’re adding a little back and if you’re car is parked up for a couple of weeks, there could be a reasonable range added to the battery.
A solar roof isn’t actually going to be much different to a panoramic sunroof so it’s potentially doable.
Quote Originally Posted by Franky Four Fingers View Post
I think it’s certainly going to be an option for the future but current costs v benefits don’t make it viable....especially in Blighty

Wasn't there a top of the range Merc going back a few years ago that utilised something similar to this to keep the ac system running in hot climates?
IIRC The newest Hyundai EV has this, it might be an option but that detail I can not recall, likely to be of more use to our continental and North American cousins I suspect.