Carl Bialik of the Wall Street Journal looks into ethanol as an alternative fuel:
President Bush announced in his State of the Union address in January that he backed funding for research into producing ethanol from corn and other farm products, with the goal of making a viable fuel alternative to gasoline for automobiles. Since then, Congress has wrangled over how to implement the idea.
Critics, meanwhile, have blasted the viability of ethanol. A central argument is that corn-based ethanol, the most-common form today, is literally a waste of energy. Detractors say that it takes more fuel to make ethanol -- growing the corn, bringing it to a processing plant and converting it to fuel -- than would be saved by using it.
Read the whole thing.
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