Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE
Green Car Congress
MARCH 27, 2015
Friction-reducing measures include a variable speed water pump, a clutched air compressor, low-viscosity oil and an improved cylinder kit. This reduces friction, and increases efficiency and fuel economy. To further reduce friction, the cylinder liners were optimized to reduce drag in the mid-stroke, where piston speeds are highest.
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