Renewable Energy Group, Inc. provides lower-carbon transportation fuels in the United States and internationally. The company utilizes a production, distribution, and logistics system to convert natural fats, oils, and greases into advanced biofuels. It operates through bio-based diesel, services, and corporate and other segments. The company produces bio-based diesel from various low-carbon feedstocks, including distillers corn and used cooking oils, and inedible animal fats, as well as from soybean and canola oils. It also purchases and resales bio-based diesel produced by third parties; and sells RD blended with petroleum-based diesel, renewable identification numbers and California low carbon fuel standard credits, raw material feedstocks from third parties, processed bio-based diesel, related byproducts, and renewable energy government incentive payments. In addition, the company provides day-to-day management and operational services to bio-based diesel production facilities; and construction management and general contracting services for the construction of bio-based diesel production facilities. Further, it engages in the trading of petroleum-based heating oil and diesel fuel, including the petroleum portion of sales of biodiesel and RD blended with petroleum-based diesel. It serves various industries, including agriculture, aviation, construction, heating and power generation, mining, marine, railroad, and trucking. The company was founded in 1996 and is based in Ames, Iowa with an additional office in Amsterdam, the Netherlands. Renewable Energy Group, Inc. operates as a subsidiary of Chevron Corporation.