[okie01]

I wonder how much gas prices will increase as vehicles become more fuel efficient.....

It will continue to increase because total world consumption will continue to increase.

[zimfam007]

“It will continue to increase because total world consumption will continue to increase”.....

So consumption is the ONLY thing driving up prices????

[RightWhale]

Not really. The cost of production of everything is increasing. Some of it feeds on itself of course, but there is still some excess capacity if they want to jump production a little more.