With only that much area at a disadvantageous angle to the high latitude sun, the solar roof is a pointless trinket to impress the ignorant public .
K
Yes, it does seem a bit strange, but they reckon it adds another 30-40km or range per day in the summer. They should know what they are doing though, it's developed by Solar Team Eindhoven who won the world solar challenge in their class every year it was held.
