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Michael Pollan: The Omnivore's Dilemma (Hardcover, 2006, Penguin Press)

What should we have for dinner? For omnivore's like ourselves, this simple question has always …

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.

— The Omnivore's Dilemma by