From time to time, the subject of diesel fuel costs has surfaced here and on
other auto forums.  The question is often asked why diesel is more expensive
than regular gasoline.  I just found this info:
http://tonto.eia.doe.gov/oog/info/gdu/gasdiesel.asp
This is right from the Department of Energy and you will see that it takes
LESS oil and LESS refining to make a gallon of diesel.  Taxes are the same
and the only difference is the category of distribution and Marketing.  That
is a puzzle to be sure.
Just thought it was really interesting and makes me wonder every time I pass
a station, even a truck stop and see diesel higher than gasoline.