The food industry burns nearly a fifth of all the petroleum consumed in the United States (about as much as automobiles do).
Today it takes between seven and ten calories of fossil fuel energy to deliver one calorie of food energy to an American plate.
Growing food organically uses about a third less fossil fuel than growing it conventionally; yet only a fifth of the total energy used to feed us is consumed on the farm; the rest is spent processing the food and moving it around.
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