NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage
Green Car Congress
SEPTEMBER 12, 2012
Laboratory and in-use fuel economy comparison. Source: NREL. Click to enlarge. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. The study also highlighted the importance of route selection and vehicle placement to optimize hybrid advantage—i.e.,
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