Fifty years ago, people sought an eco-friendly alternative to the precious oil harvested from endangered sperm whales.
The sperm whale is an endangered species. A major reason is that the whale oil is heat-resistant and chemically and physically stable. This makes it useful for lubricating delicate machinery.
The only substitute is expensive carnauba wax from the leaves of palm trees that grow only in Brazil … [but] wax from the seeds of the jojoba, an evergreen desert shrub, is nearly as good.After sperm whale oil was banned in the early 1970s, the United States sought to replenish its reserves with
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