But an examination of the American tax code indicates that oil production is among the most heavily subsidized businesses, with tax breaks available at virtually every stage of the exploration and extraction process.
According to the most recent study by the Congressional Budget Office, released in 2005, capital investments like oil field leases and drilling equipment are taxed at an effective rate of 9 percent, significantly lower than the overall rate of 25 percent for businesses in general and lower than virtually any other industry.
We’re giving tax breaks to highly profitable companies to do what they would be doing anyway,” said Sima J. Gandhi, a policy analyst at the Center for American Progress, a liberal research organization. “That’s not an incentive; that’s a giveaway.”
Click on the following for more details: Oil Companies Reap Billions From Subsidies - NYTimes.com