Emission performance of paraffinic HVO diesel fuel in heavy duty vehicles

When switching from regular diesel fuel (sulfur free) to paraffinic hydrotreated vegetable oil (HVO), the changes in fuel chemistry and physical properties will affect emission characteristics in a very positive way. The effects also depend on the technology, after-treatment and sophistication of th...

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Bibliographic Details
Main Authors: Erkkil\am, Kimmo, Nylund, Nils-Olof, Hulkkonen, Tuomo, Tilli, Aki, Mikkonen, Seppo, Saikkonen, Pirjo, Makinen, Reijo, Amberla, Arno
Format: Report
Language:English
Online Access:Request full text
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Summary:When switching from regular diesel fuel (sulfur free) to paraffinic hydrotreated vegetable oil (HVO), the changes in fuel chemistry and physical properties will affect emission characteristics in a very positive way. The effects also depend on the technology, after-treatment and sophistication of the engine. To determine the real effects in the case of city buses, 17 typical buses, representing emission classes from Euro II to EEV, were measured with HVO, regular diesel and several blended fuels. The average reduction was 10% for nitrogen oxides (NOx) and 30% for particulate matter (PM). Also some engine tests were performed to demonstrate the potential for additional performance benefits when fuel injection timing was optimized for HVO.
ISSN:0148-7191
2688-3627
DOI:10.4271/2011-01-1966