This is an interesting chart which looks at what's happened with gas
prices in the past decade and compares that with historic gasoline
prices adjusted for inflation.
http://www.consumerenergyreport.com/2012/03/14/charting-the-dramatic-gas-price-rise-of-the-last-decade/
It shows that for the last decade, gasoline prices have seriously outrun
the CPI, which is probably why they always strip out the "volatile
energy sector" when reporting it, lol, which makes the CPI very useful
for people who don't use any gasoline or buy any products that involve
the use of gasoline.
Generally, during the 20th century, gasoline prices declined adjusted
for inflation. Our great-grandparent's ten cent a gallon gasoline was
more like $3.35 gallon in the modern era. The author of this analysis
blames world events for the bump in the 70s, but that's also when the US
hit the peak oil barrier and began to decline, causing the world to run
to catch up in terms of production. Which happened, but then past the
millennium, we start approaching world peak and what happens with
prices? Well, you can see for yourself on the chart.
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