"Knowledge Is Good" — Emil Faber
Not trying to be confrontational. Sometimes the subtext changes the answer. I don't think aerohead will mind if I point you to his albums.
Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - aerohead's Album: Book illustrations
Cross-posted.
About the 80% nose—the front can be flat with a radius IIRC around 4% of the gross width.