Impact of Biodiesel Fuels on Air Quality and Human Health: Task 1 Report; Incorporate Biodiesel Data into Vehicle Emissions Databases for Modeling

Abstract

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Impact of Biodiesel Fuels on Air Quality and Human Health: Task 2 Report; The Impact of Biodiesel Fuels on Ozone Concentrations

“…Results also presented for other eastern US cities and for regional-scale ozone across the eastern US. Under Task 1 of the study, biodiesel test data were analyzed and recommendations for incorporating biodiesel effects on pollutant mass emissions for use in air quality modeling made (Lindhjem and Pollack, 2000). Other tasks of the study address the effects of biodiesel fuel use on Carbon Monoxide (CO, Task 3) and Particulate Matter (PM, Task 4) air quality, and on human health effects due to air toxics (risk and exposure, Task 5).…”

“…Table 3-1 summarizes the results of these analyses with respect to biodiesel fuel effects on heavy-duty diesel vehicle (HDDV) mass emissions for ozone precursors. A detailed discussion of the emission effects due to biodiesel fuels can be found in the Task 1 report (Lindhjem and Pollack, 2000). For the assessment of impacts of biodiesel fuel use on ozone concentrations for the future year scenarios, the effects of biodiesel fuels were accounted for only in the HDDV fleet.…”

“…This report documents Task 2 of the National Renewable Energy Laboratory (NREL) study "Impact of Biodiesel Fuels on Air Quality and Human Health". Under Task 1, engine test data using biodiesel and standard diesel fuels were analyzed to estimate the effects biodiesel fuel has on Heavy Duty Diesel Vehicle (HDDV) tailpipe NOx, VOC, CO, SO 2 , and PM emissions and toxicity (Lindhjem and Pollack, 2000). The effects of biodiesel fuel use on Carbon Monoxide (CO) and Particulate Matter (PM) air quality and Exposure and Human Health Effects are addressed in the Task 3, 4, and 5 reports, respectively, of the NREL study.…”

Impact of Biodiesel Fuels on Air Quality and Human Health: Task 3 Report; The Impact of Biodiesel Fuels on Ambient Carbon Monoxide Levels in the Las Vegas Nonattainment Area

“…The effects of the biodiesel on CO emissions were assessed in the NREL Biodiesel Study Task 1 report (Lindhjem and Pollack, 2000). Based on an analysis of engine dynamometer test data for a standard diesel, a 100% biodiesel, and a 20%/80% biodiesel/standard diesel blend (B20), ES-2 Lindhjem and Pollack (2000) estimated that the mean effect on fleet average Heavy Duty Diesel Vehicle (HDDV) emissions of a B20 fuel would be to reduce CO emissions by 13.1 percent. Three different emission scenarios were analyzed in 2001 using the two 1996 LVV CO episodes:…”

“…This report presents a discussion of the database and modeling episode selection, and the technical approach and analysis of air quality modeling results used to estimate biodiesel impacts. A discussion and analysis of biodiesel test data, and recommendations for incorporating biodiesel effects on pollutant mass emission for use in air quality modeling can be found in the NREL Task 1 report (Lindhjem and Pollack, 2000).…”