Pacific Ethanol, Inc. engages in the production and marketing of carbon renewable fuel. It operates through the Ethanol Production, and Marketing and Distribution business segments. The Ethanol Production segment includes the production and sale of ethanol and co-products. The Marketing and Distribution segment comprises of the marketing and merchant trading of company-produced ethanol; and co-products and third-party ethanol. The company was founded by William L. Jones and Neil M. Koehler on January 30, 2003 and is headquartered in Sacramento, CA.