EIA | U.S. imports of biomass-based diesel, which include biodiesel and renewable diesel, grew 26% in 2019 to more than 27,000 barrels per day (b/d), reversing three years of decline. Imports of biomass-based diesel increased in 2019 because of the increase in renewable diesel imports from Singapore.
Biodiesel is a mixture of chemical compounds known as alkyl esters and is often combined with petroleum diesel in blends of 5% to 20%, or B5 to B20. Renewable diesel is composed of hydrocarbon chains that are indistinguishable from petroleum diesel, meaning that it meets specifications for use in existing infrastructure and diesel engines and is not subject to any blending limitations. Biodiesel and renewable diesel are produced from a variety of fats, oils, and grease, collectively referred to as FOGs.
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