Downsizing Exhaust Standards White Paper 
Green Car Congress
JUNE 11, 2019
The Manufacturers of Emission Controls Association (MECA) released a report assessing market-ready technologies being commercialized by suppliers of emission control and efficiency components for heavy-duty diesel vehicles to meet lower intermediate standards for oxides of nitrogen (NO x ) by 2024 as a transition to final standards in 2027.
Green Car Congress
FEBRUARY 5, 2020
which are regulated under the National Ambient Air Quality Standards (NAAQS) because of their adverse effects on human health and the environment. In this report, MECA provides our assessment of technologies being commercialized by component suppliers, including MECA members, to help their customers comply with future lower NO x standards.
Green Car Congress
NOVEMBER 23, 2011
The white papers defining the various technical areas of R&D should be reviewed and revised, as appropriate, periodically and prior to any future review. the validation, demonstration, and deployment of advanced truck and bus technologies, and growing their reliability sufficient for adoption in the commercial marketplace.
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