Class 8 Trucks Operating On Ultra-Low Sulfur Diesel With Particulate Filter Systems: Regulated Emissions

Clark, Nigel N.; Boyce, James E.; Xie, Wenwei; Gautam, Mridul; Lyons, Donald W.; Vertin, Keith; LeTavec, Chuck; Coburn, Timothy C.

doi:10.4271/2000-01-2815

Cited by 16 publications

(13 citation statements)

References 19 publications

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“…Tests of class 8 Ralphs grocery trucks with DPFs showed PM reductions between 91 and 97% and also significant reductions in THC and CO (10,11). Similar results were also found in tests conducted on tanker trucks, school buses, and refuse trucks (9,12).…”

Section: More Recently Arco Has Developed a New Diesel Fuel Called Esupporting

confidence: 75%

Effects of Biodiesel Blends and Arco EC-Diesel on Emissions from Light Heavy-Duty Diesel Vehicles

Durbin

Norbeck

2002

Environ. Sci. Technol.

102

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Chassis dynamometer tests were performed on 7 light heavy-duty diesel trucks comparing the emissions of a California diesel fuel with emissions from 4 other fuels: ARCO EC-diesel (EC-D) and three 20% biodiesel blends (1 yellow grease and 2 soy-based). The EC-D and the yellow grease biodiesel blend both showed significant reductions in THC and CO emissions over the test vehicle fleet. EC-D also showed reductions in PM emission rates. NO x emissions were comparable for the different fuel types over the range of vehicles tested. The soy-based biodiesel blends did not show significant or consistent emissions differences over all test vehicles. Total carbon accounted for more than 70% of the PM mass for 4 of the 5 sampled vehicles. Elemental and organic carbon ratios varied significantly from vehicle-to-vehicle but showed very little fuel dependence. Inorganic species represented a smaller portion of the composite total, ranging from 0.2 to 3.3% of the total PM. Total PAH emissions ranged from approximately 1.8 mg/mi to 67.8 mg/mi over the different vehicle/fuel combinations representing between 1.6 and 3.8% of the total PM mass. * corresponding author 2 IntroductionAs the impetus to reduce diesel emissions continues, the need to develop more advanced or alternative diesel fuels becomes more important. Two fuels that are being examined to meet these needs include biodiesel and ARCO Emission Control Diesel (EC-D). Biodiesel is renewable and can be produced domestically from sources such as vegetable oils, animal fats, restaurant grease, EC-D is produced from typical crude oil using conventional refining processes but is designed to have a sulfur content below 15 ppmw and lower aromatics and a higher cetane number in comparison with typical in-use fuels. The ultra-low sulfur content of the fuel provides a significant 3 added benefit in that the fuel can be used in conjunction with sulfur-sensitive emission control devices. A more commercial version of this fuel, called EC-D1, is also available with a sulfur content below 15 ppmw.

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Section: More Recently Arco Has Developed a New Diesel Fuel Called Esupporting

confidence: 75%

Effects of Biodiesel Blends and Arco EC-Diesel on Emissions from Light Heavy-Duty Diesel Vehicles

Durbin

Norbeck

2002

Environ. Sci. Technol.

102

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“…Catalytic filters convert a fraction of the NO in the exhaust stream to NO 2 in order to catalyze the combustion of carbonaceous PM, volatile organic compounds (VOC), and CO. 39 Larger amounts of NO 2 can therefore be emitted in the exhaust with this after-engine treatment. Gibbs 40 measured as much as 50% of the NO x emissions as NO 2 , consistent with National Renewable Energy Laboratory's estimate of up to 30% from an initial survey of recent emissions data.…”

Section: Pacific Gas and Electricmentioning

confidence: 99%

Diesel Engines: Environmental Impact and Control

Chow

2001

Journal of the Air & Waste Management Association

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“…In a 1999-2000 study [30] the Translab was used to collect gaseous and particulate emissions data from twenty over the road tractors powered by DDC series 60 diesel engines. These vehicles were operated in four groups to asses the benefits of ARCO ECD fuel and of Johnson-Matthey CRT and Engelhard DPX exhaust particulate filter system on emissions, in comparison to commercially available California (CARB) diesel.…”

Section: Other Transportable Laboratory Studiesmentioning

confidence: 99%

Transportable Heavy Duty Emissions Testing Laboratory and Research Program

Lyons¹

2008

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Class 8 Trucks Operating On Ultra-Low Sulfur Diesel With Particulate Filter Systems: Regulated Emissions

Cited by 16 publications

References 19 publications

Effects of Biodiesel Blends and Arco EC-Diesel on Emissions from Light Heavy-Duty Diesel Vehicles

Effects of Biodiesel Blends and Arco EC-Diesel on Emissions from Light Heavy-Duty Diesel Vehicles

Diesel Engines: Environmental Impact and Control

Transportable Heavy Duty Emissions Testing Laboratory and Research Program

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