completely useless information for you...
It's NOT an Opel, but it IS a Manta and a solar-powered
one at that. At least, that's what the bods over at MIT
Solar Electric Vehicle Team started their Manta projects back
in 1995 with the vehicles taking prominent places in the races they
entered. The Manta later evolved into further variations including
the Manta GT, Manta GTX and Manta Elite.
It weighs just 290Kg and has a drag co-efficient of just Cd 0.13
but it has 3 wheels. So I guess I'll wait for solar-powered vehicles
to take over the world and stick with my V8.