A nutty idea: Companies partner to turn crop into biofuel

Adjacent to a papaya field, a less well-known crop stretches for acres on a farm near Keaau. The plant, known as jatropha, is a newcomer to Hawaii agriculture and grown only on this spot makai of Highway 11. It stands not much taller than a person and, unlike its neighbor, produces no fruit to show off. But peel back its green leaves and its real potential emerges — nuts, harvested not for food, but for fuel.

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