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Hydrotreated Vegetable Oil as Fuel for Heavy Duty Diesel Engines
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 29, 2007 by SAE International in United States
Annotation ability available
Event: SAE 2007 Commercial Vehicle Engineering Congress & Exhibition Powertrain & Fluid Systems Conference and Exhibition
Hydrotreated vegetable oil (HVO) named NExBTL is a 2nd generation renewable diesel fuel made by a refinery-based process converting vegetable oils to paraffins. Also animal fats are suitable for feedstocks.
Properties of this non-ester type biobased fuel are very similar to GTL. It contains no sulfur, oxygen, nitrogen or aromatics. Cetane number is very high (∼90). Cloud point can be adjusted by severity of the process from -5 to -30°C, heating value is similar to diesel fuel, storage stability is good, and water solubility is low.
Emissions of two heavy duty engines and two city buses are presented with HVO and sulfur free EN 590 diesel fuel. The effect of HVO on regulated emissions compared to EN 590 fuel was:
- NOx -7 % … -14 %
- PM -28 % … -46 %
- CO -5 % … -78 %
- HC 0 % … -48 %
CitationKuronen, M., Mikkonen, S., Aakko, P., and Murtonen, T., "Hydrotreated Vegetable Oil as Fuel for Heavy Duty Diesel Engines," SAE Technical Paper 2007-01-4031, 2007, https://doi.org/10.4271/2007-01-4031.
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