In June 2007, food service specialist 3663 started an ambitious programme to switch its fleet from running on diesel to a 30% biodiesel blend (B30). The decision followed a six-month trial of 70 B30-fuelled Scania trucks covering three million miles. No detrimental effects were found, not even on the engine's unit injectors -components that have hitherto seen corrosion when subjected to high percentage biofuels.rnThe operator relies on its network of customers and suppliers for the fuel - used cooking oil that is reprocessed into biodiesel. Three years into the project and 60% of 3663's 1,040-strong fleet is running on this unusual hybrid fuel. What's more, according to Joanna Pegg, fleet manager at 3663, that percentage is set to rise even farther.
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