You may as well complain that Matisse marked up his oil paintings.

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The price increases of recent months have stemmed from a marked drop in stockpiles of oil, particularly in America.

ECONOMIST: The oil price should fall��eventually

With the invention of the gas-fueled automobile in 1901, black gold became the drug of choice, and its ascent marked the coming of Big Oil.

CNN: The price of our oil addiction

At times, the price of oil, like Treasury yields, will rise along with optimism about the economy, but the early part of this year was marked by a worst-of-both-worlds scenario: rising oil prices amid declining hopes for the economy.

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