We spend almost double what we did a decade ago on gasoline in terms of percentage of GDP. If this trend continues then gasoline and oil will be expensive if they are not now. The answers to these questions are all relative. Compared to the late 70's and early 80's things are cheap.
So perhaps the 90s were an anomaly and we're simply back to normal...
Taxes are not indexed for inflation (bracket creep) and this is  reason we are so stressed.  A larger percentage is taken from our checks than in the 70's.  All those gov't programs cost a fortune and the bills are coming due( soon even worse than now) Bend over...