Assessment of BQ-9000 Biodiesel Properties for 2020

Teresa Alleman

Research output: NRELTechnical Report


Biodiesel producers in the United States and Canada can voluntarily participate in the industry's BQ-9000 quality assurance program. This is the fourth in a series of reports documenting biodiesel quality from participating producers. Participants in the BQ-9000 program were requested to voluntarily provide data to a third-party team. This team anonymized and randomized the data prior to providing to the National Renewable Energy Laboratory (NREL) for analysis and reporting. The critical quality parameters analyzed are: sodium and potassium, calcium and magnesium, phosphorus, flash point and alcohol control, water and sediment, cloud point, acid number, free and total glycerin, monoglycerides, sulfur, oxidation stability, and cold soak filterability test (CSFT). The statistical analysis for these parameters is presented in Table ES-1.
Original languageAmerican English
Number of pages27
StatePublished - 2021

Bibliographical note

Produced under direction of National Biodiesel Board by the National Renewable Energy Laboratory (NREL) under Cooperative Research and Development Agreement CRD-15-593

NREL Publication Number

  • NREL/TP-5400-79815


  • biodiesel
  • BQ-9000
  • fuel properties
  • fuel quality


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