[aerohead]

Losses from 'practical-length' vehicles can be measured in the trillions of Dollars.
The 'Template' describes an architecture which can achieve low drag (which,by definition, begins at Cd o.25 and goes down from there),with potentials on the order of Cd 0.12.
Each individual must decide what they can live with.Historically,the difference in length left on the table can be measured in millions of lives lost.Wars have been fought over quantities of petroleum which routinely go up in invisible smoke from the bodies of motor vehicles each year.