Biodiesel fleet program beset by rampant microorganisms ‘way down in Kokomo’: all well now, city says

In Indiana, a Kokomo biodiesel program went awry when a city program turning restaurant grease and waste oils into fuel for the city fleet, resulted in a rash of microorganisms breeding in collected animal fats and causing 250 gallons of black sludge to accumulate in city storage tanks and gum up city fleet fuel filters. The city installed finer filtration to strain out animal fats in the biodiesel production process and has a fuel additive that controls microorganism growth.

The program, which was suspended during cleaning, has been restarted.

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