The fuel mileage sounds incredible, it's in the same range as an F150. The pilot must be a major part of the expense, meaning it could also be well positioned for an autonomous shuttle future, if those are ever fully trusted, bringing the cost down even further.

Obviously they still have a long way to but they are saying the right things to get me excited, even though my knowledge of aircraft efficiency is pretty minimal.

edit: It looks like the Yak-152 mentioned elsewhere in the thread can do about 14 mpg if wikipedia & my math is right.