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Diesel Engine Technology for Low Emissions for Agricultural and Industrial Equipment

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Diesel Engine Technology for Low Emissions for Agricultural and Industrial Equipment. ASAE Distinguished Lecture No. 17, pp. 1-8. Winter Meeting of the American Society of Agricultural Engineers, 15-18 December 1992, Nashville, Tennessee  913C1592.(doi:)
Authors:   C. T. J. Ahlers and M. H. Ihnen
Keywords:   Diesel engines, Emissions, Agricultural equipment, Industrial equipment, Environment

Regulations are being enacted to control engine emissions from agricultural and industrial equipment in North America, Europe, and other parts of the world. This paper outlines the expected exhaust emission requirements, including limits and test procedures. Current diesel engine technology is reviewed in terms of the emission levels achievable, the fundamentals of emissions formation, the methods of emissions control, and trade-offs between emissions and other performance characteristics. Diesel engines have inherently low carbon monoxide (CO), carbon dioxide (CO2), and hydrocarbon (HC) emissions. The pollutants requiring reduction are nitrous oxide (NOx), particulate matter (PM), and sulfur oxides (SO2). Engine technology options are discussed to meet the requirements for the 1990s. This is compared and contrasted to the on-highway diesel technology experience. Possible new engine technologies to meet requirements beyond the year 2000 also are explored.

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