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. US EPA and NHTSA are planning to issue a Notice of Proposed Rulemaking for the Phase 2 standards in the spring of 2015 and a final rule in the spring of 2016. Aerodynamics.
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