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The good news: Oil doesn't have to rise that much more for cellulosic ethanol to become economically viable.

The bad news: You people in the labs have a lot of work ahead of you.

Sandia National Labs will soon release a report on cellulosic ethanol and what sort of barriers need to be knocked down so that cellulosic can become at least a 75 billion gallon a year business, according to the Wall Street Journal's Environmental Capital blog. The study states that cellulosic can't become competitive with oil unless oil stays above $90 a barrel.

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