To an extent the gasoline and diesel graphs are already here:

http://tonto.eia.doe.gov/oog/info/twip/twip_gasoline.html

http://tonto.eia.doe.gov/oog/info/twip/twip_distillate.html

One cautionary note is that we have just gone through the transition to ULSD, so the diesel numbers are kind of wacky for the past 6 months or so.

If you download the whole xls, you get consumption data going back many years and even decades (depends on the category of data, and when they started to collect it).

If we look at gasoline:

you don't see much drop in gas consumption over 2005, but in 2005 we had Katrina, so I would almost want to see curves for 2003 and 2004 as well to see how this year compares to more "normal" years.

Here's US gasoline usage:

Thanks, that also shows the clear break from the '94 ro '04 climb.  A ten year expansion.

Unfortunately it shows something the other doesn't, a new high in 2006.  Oh well, count our blessings I guess ... and wait to see what next summer's prices bring.