Remote Sensing of In-Use Heavy-Duty Diesel Trucks

On-road measurements in 2005 of carbon monoxide (CO), hydrocarbons, nitric oxide, nitrogen dioxide, and sulfur dioxide from 1641 individually identified heavy-duty diesel trucks at two locations in Colorado are reported. Carbon monoxide and nitric oxide show increasing emissions with increased altit...

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Bibliographic Details
Published in:Environmental science & technology 2006-11, Vol.40 (22), p.6938-6942
Main Authors: Burgard, Daniel A, Bishop, Gary A, Stedman, Donald H, Gessner, Viktoria H, Daeschlein, Christian
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Applied sciences
Atmospheric pollution
Carbon monoxide
Carbon Monoxide - analysis
Diesel fuels
Emissions
Environmental Monitoring - methods
Exact sciences and technology
Gasoline
Hydrocarbons
Motor Vehicles
Nitric oxide
Nitrogen dioxide
Nitrogen Oxides - analysis
Pollution
Pollution sources. Measurement results
Remote sensing
Sulfur
Sulfur - analysis
Transports
Trucks
Vehicle Emissions - analysis
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Summary:On-road measurements in 2005 of carbon monoxide (CO), hydrocarbons, nitric oxide, nitrogen dioxide, and sulfur dioxide from 1641 individually identified heavy-duty diesel trucks at two locations in Colorado are reported. Carbon monoxide and nitric oxide show increasing emissions with increased altitude. Oxides of nitrogen (NO x ) emissions have decreased with more recent model years over the last 10 years but are the same as vehicles that are 20 years old. At the Golden, CO site, there was a statistically significant decrease in fleet emissions of CO and NO x since a similar study in 1999. There was no emission trend for CO or NO x with gross vehicle weight or odometer in units of grams of pollutant per kilogram of fuel consumed. Data from this study suggest that on-road remote sensing can detect illegal, high sulfur fuel use from individual heavy-duty diesel trucks. Ammonia emissions from this study were below the detection limit of the instrument but will be useful as a baseline value for future comparison.
ISSN:0013-936X
1520-5851
DOI:10.1021/es060989a