grass-powered organism

“Kneeling Cow” by Paul Gauguin (1848–1903) French Post-Impressionist Artist
“Kneeling Cow” by Paul Gauguin

So this is what commodity corn can do to a cow: industrialize the miracle of nature that is a ruminant, taking this sunlight- and prairie grass-powered organism and turning it into the last thing we need: another fossil fuel machine. This one, however, is able to suffer.
~ Michael Pollan
(The Omnivore’s Dilemma: A Natural History of Four Meals)