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POPSBiofuels is a false hope? An interesting article, but misleading with its statistics. For example, it uses the current measure of cropland acreage to project the potential yield of future ethanol harvests, but it ignores: 1 - biomass crops can grow well where food crops do not; 2 - biomass crops can yield other products in addition to ethanol; 3 - burning ethanol produces less CO2 than burning oil. Overall, I agree that it's a foolish path to replace food with fuel. However, I do believe that replacing some of our petroleum consumption with ethanol is a necessary part of a successul path forward, along with solar, wind, geothermal, tidal, and other clean sources, and let's not forget improved efficiencies (e.g., low power lights and increased miles per gallon) and conservation. Click through for the rest of the original article for more details, including some good points about why recent comparisons of Brazil's ethanol program are not as relevant to the US as you might think.
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