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Sapphire Energy, a developer of an algae-derived “green” crude oil, has signed a deal to supply oil produced at its Green Crude Farm in Columbus, N.M., to Tesoro Refining & Marketing, operator of seven oil refineries in the western U.S. Sapphire says it recently began continuous cultivation and oil production at the site using a new technology that converts wet algae to crude oil, bypassing a drying step.
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