Trends in Engine Efficiency and Emissions

Paper #:
  • 2018-01-0329

Published:
  • 2018-04-03
Affiliated:
Abstract:
This review paper summarizes major and representative developments in vehicular emissions regulations and technologies from 2017. The paper starts with the key regulatory advancements in the field, followed by key developments in LD (light duty) and HD engine technology. Lean NOx control technologies are summarized, including SCR (selective catalytic reduction), SCR filters, and combination systems. Following is a review of exhaust particulate filters for gasoline and diesel engines, and then a summary of the key development in diesel and methane oxidation catalysts, and three-way catalysts.
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