Get used to it.

My Mini cooper gets 35 mpg, still costs me almost 40 bucks to fill the tank, tho'.

From the link:

"The soaring prices stir memories of spikes in the late 1970s and early 1990s. But adjusted for inflation, regular gasoline [hasn't risen above] the 1981 high of $3.11 a gallon, according to the Energy Department."

...Yet.