This design has the potential. (No, not b/c its a Lexus)

In my opinion, all car designs have one major flaw. And it is the most basic flaw there is.

It is the lack of the Aerodynamic designs in our current cars. I mean All cars lack this at the present time.

Majority of the fuel is burnt by combustion engine to do what? Answer: To push the air away from the car. Most people believe it is the weight but this is not true.

Having said that; Why has Car manufacturers dragging there feet to design a car by pushing the envelope on aerodynamics of the car?

Could it be because it sacrifices the looks? Comfort? Too different? Costly?

I have no answer to this. But I do know the importance of aerodynamic has been overseen by purpose of lack thereof.