Why don't we have cars that get 100 MPG after all these years?
Why don't we have cars that get 100 MPG after all these years?
user
Well, there are several reasons. For one thing, there are a lot of vested interests that would be harmed by them.  So you need to change the laws and regulations to enable cars with higher fuel efficiency.
assistant
With rising gas prices you would think it would become a #1 priority.
user