WOW--check out the graph of the price of jet fuel as reported by the Energy Information Administration ("Official Energy Statistics from the U.S. Government") at
http://tonto.eia.doe.gov/dnav/pet/hist/rjetnyhD.htm
Pretty amazing price reduction -- the price now (at $2.35/gallon) is about where it was in August 2005 (not adjusted for inflation!), August 2006 and September 2007.