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The numbers on energy balance between production and ethanol production are the most optimistic I've seen. I'd like to believe they are accurate, but I'm still skeptical.
They failed to mention that methanol is highly toxic, and carcinogenic, and that it mixes easily with water. A real bad compbination for any fuel that's widely used.
They also failed to mention that biodiesel relies on methanol and lye to manufacture. That's one reason why I'm focused on using waste vegetable oil without transesterifying it. Also they failed to mention home heating, which is a substantial fraction of the energy picture.
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