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Cummins/Peterbilt SuperTruck shows 54% improvement in fuel economy, 61% improvement in freight efficiency

Green Car Congress

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. Supertruck technologies for 55% thermal efficiency and 68% freight efficiency (DEER 2012). Sources of increased engine thermal efficiency.

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