Aero as good as a Prius in 1976 (0.268).
I'm curious about the combined rear fender skirt/wing on the back. I'd been thinking about something similar.
Jalopnik also talks about the “Project: Secret!” in the Porsche Museum, doesn't show as many pictures but does say the show, which opened on the 17th, has 14 cars total.
Thanks for the heads up.
http://www.porsche.com/museum/en/ausstellung/