Cummins Oks Renewable Diesel For B6.7, L9 School Bus Engines

News that Cummins, Inc. approved paraffinic fuels for its B6.7 and L9 school bus engines could be the push needed to open the renewable diesel market to the student transporters.

The conclusion resulted from an 18-month field trial of paraffinic fuels Cummins performed to compare efficiencies and differences with standard diesel. Cummins determined that the paraffinic renewable diesel met EN 15940 specifications and is now approved for B6.7 and L9 engine platforms as well as the company’s B4.5 that meets Euro 6 emissions standards.

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