A sample of the product a 100% algae derived biodiesel fuel, as Solazyme, Inc. and Propel Fuels, through a joint effort began selling biodiesel fuels on Tuesday Nov. 13, 2012 at a Valero station in Redwood City, Calif., one of the four locations in the Bay Area. Bay Area drivers will become the first consumers worldwide to fill their gas tanks with American-made green biodiesel fuels. Photo: Michael Macor, The Chronicle
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