Quote:
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Originally Posted by MGBGT
Abstract:
• Ethanol production using corn grain required 29% more fossil energy than the ethanol fuel produced. • Biodiesel production using soybean required 27% more fossil energy than the biodiesel fuel produced
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I don't understand this. Plants are basically Nature's Solar Cells. They capture free energy from the sun. That sun energy is then liquified & put into cars.
How can there be a net energy loss, when there's solar input???
troy