Ask CBS News: What's the Value of Oil Lost?

In our ongoing "Ask CBS News" segment, we've answered your questions about the Gulf oil spill. Viewers can leave questions on "CBS Evening News" Anchor Katie Couric's Twitter page or the CBS News Facebook page.

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Special Section: Disaster in the Gulf

Tonight we answered another one of your questions.

A viewer asked: "How much do we know about the value of the oil lost in the spill?"

CBS News correspondent Kelly Cobiella answered that there's debate about how much oil has actually spilled, but based on 19,000 barrels of oil a day, that oil would power about 43,000 cars, trucks and ships for a year. That's worth about $90 million so far.

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