This graph shows U.S. renewable diesel fuel production and consumption. Note that volumes are lower than volumes reported to the Environmental Protection Agency (EPA) as part of the Renewable Fuel Standard (RFS) program. Renewable diesel meets the same fuel quality specification as petroleum diesel (ASTM D975) and can be used in existing diesel engines and refueling infrastructure without the need for any retrofits or upfits. Domestic production and plants under construction are growing significantly. Renewable diesel is primarily made from used cooking oil and inedible animal fats left over from processing meat. The fuel is used primarily in California because of economic benefits provided under the Low Carbon Fuel Standard.

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