Quote:
Originally Posted by Bring_Back_Shantz
I don't understand how this makes sense.
What are they comparing?
Okay, they can come up with how much land it takes to produce the food that a dog eats, but what are they comparing that to? Last time I checked, we don't grow car fuel.
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They're comparing how much energy each consumes, not whether we grow this energy or not. We might grow the food for dogs, but it still costs us non-renewable energy to process it into dog food.