Some perspective on the relative cost of gas

As reports on the rising cost of gas once again capture news headlines and ignite debate, it's a good time to take a closer look at gas price relative to other products in common use.  Even if prices reach $4 a gallon, gas is a bargain compared to most other consumer products.  See the graphic below for a powerful visual.   What other products do you think it would be fun or interesting to compare?

Hat tip to The Big Picture and Flowing Data.