In a troubling revelation, a Texas refinery praised for its contributions to sustainable aviation fuel is found entangled in the web of Amazon deforestation. Diamond Green Diesel, a joint venture by Darling Ingredients and Valero Energy, utilizes cattle fat, some sourced from lands cleared illegally in the Amazon, raising significant concerns.

The refinery, positioned in Port Arthur, Texas, transforms tallow into eco-friendly alternatives to traditional jet fuel, garnering substantial U.S. tax credits. However, investigations by Reuters and Reporter Brasil shed light on Brazilian suppliers linked directly to deforested lands, implicating the refinery in potentially illegal supply chains.

With the growing market for sustainable fuels, the incentives driving investments also appear to fuel

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