[aerohead]

Elio might have at least 'built' their vehicle completely,on paper,or within a digital domain before they ever came out of the closet.
Successful automakers can for the most part,totally create and test their products analytically with numerical algorithms.It's all mathematics,since pre-WW-II.
Waffling does not inspire investor,nor consumer confidence.It's a fabulous way to burn precious capital resources and get poor quick.