The price of fuel in Europe has
NO relation to the cost of fuel in the US, because most of the higher prices in Europe is taxes.
A quick Google search turns up this:
lifted from here:
http://www.pcf.ab.ca/quick_answers/gasoline_pricing/international.asp
Looks like gasoline in France actually costs less than in the USA, they just charge almost 7 times more taxes on it.
California's higher gas prices comes in part from this as well. Part of it is Oil companies screwing us.
Tom