[aerohead]

Originally Posted by freebeard

• Didn't graysgarage score a job with Lucid Air? Designing a twin-vortex air intake for the lower fascia? Google denies he was ever a user [4 spellings].
  
• I'll bite how low is the Greenbrier's Cd?

For the thread's sake, here's L'Universelle

https://i.pinimg.com/736x/98/5b/69/9...785b4c56ab.jpg

I believe that this is the number shared by GM. That would be from scale- model testing at the GALCIT tunnel at Cal Tech, Pasadena, California.
As with BEVs today, there's no significant front grille or cooling system drag, which would add Cd 0.025, as of around 2005.