Remove 2002 Remove Conversion Remove Downsizing Remove Ozone
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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. NO x is a precursor for both ground level ozone and secondary PM 2.5 This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. Chart: MECA.

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