MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective
Green Car Congress
FEBRUARY 5, 2020
CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 Chart: MECA. g/bhp-hr over the LLC, representing extended low-speed operation and idling.
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