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On-Road Remote Sensing of Automobile Emissions in West Los Angeles: Year 4, October 2005.
| 题名： | On-Road Remote Sensing of Automobile Emissions in West Los Angeles: Year 4, October 2005. |
| 作者： | BISHOP, G. A.; STEDMAN, D. H. |
| 关键词： | AUTOMOBILES; EXHAUST EMISSIONS; REMOTE SENSING |
| 摘要： | The University of Denver conducted a five-day remote sensing study in west Los Angeles, California area in October of 2005. The remote sensor used in this study measures the ratios of CO, HC, and NO to CO2 in motor vehicle exhaust. From these ratios, we calculate the percent concentrations of CO, CO2, HC and NO in the exhaust that would be observed by a tailpipe probe, corrected for water and any excess oxygen not involved in combustion. Mass emissions per mass or volume of fuel can also be determined. The system used in this study was configured to determine the speed and acceleration of the vehicle, and was accompanied by a video system to record the license plate of the vehicle. Using vehicle specific power, the emissions of the vehicle fleet measured in 2005 was adjusted to match the vehicle driving patterns of the fleet in 1999. After doing so, it was seen that the emissions measured in the current year are markedly lower than those measured during 1999 for the same driving mode. Model year adjustments show no statistical increases in CO emissions and only slight increases for HC and NO emissions after six years of age. |
| 报告类型： | 科技报告 |
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