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STATEMENT: C6-Zero Plant Not Known to Produce Biodiesel 

December 16, 2022

ANKENY, Iowa -- Following a Dec. 8 explosion at the C6-Zero plant in Marengo, Iowa, several news stories identified the plant as producing “biodiesel.” Grant Kimberley, executive director of the Iowa Biodiesel Board, issued the following statement: 

“To our knowledge, the C6-Zero plant does not and never has produced biodiesel. This appears to have been an incorrect assumption made in early reports of the explosion. The Iowa Biodiesel Board is not familiar with this company or its process and products. The company’s website says its ‘proprietary process remanufactures petroleum used in asphalt shingles to produce a biofuel,’ but it does not say biodiesel. While it may be a fuel made from recycled products, unlike biodiesel, it does not appear to be a fuel made from biogenic or renewable feedstocks.

“Safety is of the utmost importance to the biodiesel industry, and while industrial accidents can happen anywhere, our producers have an excellent safety record in Iowa. Our thoughts are with those injured in the C6-Zero plant accident and we hope they recover quickly.”

For More Information:

Jenna Higgins Rose

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