A California Walnut Farm That Costs Peanuts to Run
Source: http://gizmodo.com/a-california-walnut-farm-that-costs-peanuts-to-run-1110135429
If the midwest is America's breadbox, California is its orchard. The Golden State produces nearly half of America's fruits, vegetables and nuts—more than 400 varieties—an output valued at more than $43.5 billion each year. But the energy needed to grow, harvest, process, and ship this bounty is no small sum. That's why one ingenious farmer is powering his operation using already produced shell waste to zero out his electric bill.
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