Keywords: cost, oil, brent, fuel, diesel, unleaded, gasoline, money, cost, evolution, historical, France, Europe
Here is a 10 October 2005 government document showing the cost and margins achieved on various petroleum products since 2002.
The document is entitled:
"Prices and margins of petroleum products in France and in the European Union"
It will be noted that the margins have "exploded" since August 2005.