Hello,
Here's a car I have not seen before now: Mike Vetter's ETV (Extra-Terrestrial Vehicle):
The Car Factory-Featured on the Speed Channel's hit show show KIT: An Autobody Experience
Obviously, the lack of ground clearance would have to be addressed. And the rear end doesn't look as aero as it might seem at first.
And I saw some pictures of a car that has been mentioned before: