Effectiveness, benefits, and costs of more-stringent nitrogen oxide and particulate emission controls for heavy-duty trucks

Technical Report · Thu Nov 01 00:00:00 EST 1984

OSTI ID:6063662

Singh, M K; Saricks, C L

This study examines the benefits, costs, and effectiveness of a 4.0 g/bhp-h nitrogen oxides (NO/sub x/) emissions standard and a 0.25 g/bhp-h particulate emission standard for heavy-duty engines (HDEs). These standards were proposed by the US Environmental Protection Agency (EPA) in 1981 and are still under review. The proposed standards are stringent when compared with the NO/sub x/ standard scheduled to take effect for all heavy-duty trucks on all test cycles in 1985 (10.7 g/bhp-h) and the current average particulate emissions of heavy-duty diesel engines (HDDEs) (0.6 g/bhp-h). There is no existing particulate standard. Hydrocarbon (HC) and carbon monoxide (CO) standards are not directly examined in this study because the November 1983 EPA rulemaking will bring all HDDEs and most heavy-duty gasoline engines (HDGEs) into compliance with Clean Air Act HC and CO goals by 1987. However, technologies employed to reduce NO/sub x/ may adversely affect HC and CO emissions, and these tradeoffs are examined. 91 references, 13 figures, 33 tables.

• Research Organization: Argonne National Lab., IL (USA)
• DOE Contract Number: W-31-109-ENG-38
• OSTI ID: 6063662
• Report Number(s): ANL/EES-TM-273; ON: DE85008350
• Country of Publication: United States
• Language: English

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