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No mention is made in this article of the huge amount of petrochemical inputs required both for large-scale farming of corn and for the distilling process required to produce ethanol. When these and other environmental costs are factored in, the promotion of corn-based ethanol as fuel will ultimately be exposed as an environmentally disastrous policy.

C. Greenwood
Sacramento, Calif.

The article begs the question: Are biofuels well suited to provide a significant portion of our nation’s energy pie? I think the answer is yes, but another approach is needed.