While standing next to the fuel pump, many of us have all asked the same question: "Why am I paying so much for gas?" Where does all the money go?
The answer is not as straightforward as we might wish, but there are many great primers out there for reference. For a good introduction to the oil market, check out some of the following resources.
Energy Myths and Realities by Scott Tinker, as appears in the AAPG EXPLORER
Official Energy Statistics from EIA
Oil Market Basics by Department of Energy subsidiary Energy Information Administration. A good introduction.
A Primer on Gasoline Prices also by the Energy Information Administration
Energy Basics 101 also by the Energy Information Administration
WTRG Economics, for those who want a more in-depth discussion of oil-market economics, complete with links to recent articles.
Bloomberg Energy, for almost instantaneous pricing information.