This is an interim report in a study to evaluate the factors which cause vehicles to fail to meet emission standards in use, determine how adequately the EPA motor vehicle emission factors characterize in-use emission levels of vehicles, and determine appropriate adjustments, if any, that should be made to the EPA emission factors. This interim report presents a survey of the types of emission control technologies used on vehicles produced over the past five years and projected to be used on future model year vehicles.
Motor Vehicle Emissions Technology
1980
109 pages
Report
No indication
English
Motor vehicle emissions variability
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