Cummins/Peterbilt SuperTruck shows 54% improvement in fuel economy, 61% improvement in freight efficiency
Green Car Congress
MARCH 14, 2013
During the reported test, the Class 8 Peterbilt 587 powered by a Cummins ISX15 engine averaged 9.9 l/100 km) during testing last fall on US Route 287 between Fort Worth and Vernon, Texas. Parasitic power reductions addressed cylinder kit friction and cooling pump power. Sources of increased engine thermal efficiency.
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