Critical Topics in Exhaust Gas Aftertreatment

Reviewing the major technical issues on tailpipe standards from an applications and systems perspective, British mechanical engineer Eastwood describes where current aftertreatment fails, what new types are now under research, and how aftertreatment can most effectively be integrated into a vehicle's powertrain. His study pivots on eight specific problems currently faced by the automotive industry that must be solved or circumvented if air quality goals are to be met. After reviewing the exhaust environment, he discusses such topics as diesel particulate filters and oxidation catalysts, aging in catalysts and oxygen sensors, the cold-start problem, and fuels. His references emphasize the most recent works.