Berkeley Halts B100 Biodiesel Use Due to Mold

Consultant recommends California university town switch to B50, 50-50 blend of biodiesel and low-sulfur diesel.

Published: 19-Mar-2005

Responding to the engine failure of two city trucks last year, city leaders in January scrapped its two-year-old program to power its fleet of nearly 200 trucks entirely on a derivative of vegetable oil.

The move, Public Works Director Renee Cardinaux said, came after consultant Randall Von Weder determined bacteria mold found in the cleaner burning fuel had clogged engine filters and fuel injection pipes.

Von Weder, of Point Richmond-based CytoCulture, said despite the city's troubles with biodiesel, he never recommended that the city return to diesel, and said the best solution would be for the city use a 50-50 blend of biodiesel and a clean burning regular diesel.


The D1 Lola B2K is only capable of 200mph, some 15mph slower than its petrol-powered competitors, but Lola hopes that, as it will need fewer pit stops to refuel, it could be quick overall.


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