Lawrence Livermore Lab researchers significantly boost truck fuel efficiency through improved aerodynamics
Green Car Congress
MARCH 23, 2017
Seventy-four percent out of the 124% improvement comes from aerodynamic enhancements, while the rest comes from engine efficiency, tire rolling resistance, light weighting and other advancements. For heavy vehicles, most of the engine’s usable energy goes into overcoming drag and rolling resistance at highway speeds. l/100 km).
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