There was a New Deal case of a farmer growing wheat for his own consumption: the Feds claimed the right to restrict this as his non-consumption, as a result of growing his own, of out of state wheat meant that this was inter-state commerce.

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In its own facilities, Facebook has reduced water consumption with dual-flush toilets and motion-sensor faucets.

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While Article I of the Constitution limits Congress to regulating interstate commerce, the court has taken a broad view of those powers, up to and including prohibiting a farmer from growing wheat for his own consumption because it might interfere with a national price-support program.

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Most people in extreme poverty work on small, rain-fed farms, growing staple grains partly for their own consumption.

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Gone is the low value-added export model, and in its place is an economy increasingly dependent on its own people and their consumption.

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