Corn Ethanol Will Not Cut Greenhouse Gas Emissions

CALIFORNIA

California regulators, trying to assess the true environmental cost of corn ethanol, are poised to declare that the biofuel cannot help the state reduce global warming.

As they see it, corn is no better – and might be worse – than petroleum when total greenhouse gas emissions are considered.

Such a declaration, to be considered later this week by the California Air Resources Board, would be a considerable blow to the corn-ethanol industry in the United States.

If passed, the measure could serve as a model as other states and the federal government tackle carbon emissions. But California's regulators say they have no choice...

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