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Non-Road Diesel Engine Emissions and Technology Options for Meeting Them

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

Citation:  ASABE Distinguished Lecture #34, pp. 1-24  .(doi:)
Authors:   Gui Xinqun, Danan Dou, Richard Winsor Product Engineering Center, Deere and Company, Waterloo, Iowa
Keywords:   Aftertreatment, Cooled EGR, Emissions, Nonroad, Tier 4, Turbocharger

This lecture focuses on emissions reduction for non-road diesel engines, although we refer to on-road diesel engines often. We first highlight global emissions criteria and test procedures for non-road engines and compare them with on-road requirements. We then describe critical components and system integration technologies as building blocks for meeting emissions criteria, followed by engine development through emissions tiers. We provide an outlook for what comes after criteria pollutant reduction. We conclude with a summary and perspectives. With this focus on emissions, we will limit our discussion of other product attributes, such as reliability, not because they are not important (in fact, they are critical) but because thorough discussion of those attributes requires lengthy papers on their own.

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