Biodiesel testing in two on-road pickups
- Univ. of Idaho, Moscow, ID (United States)
Two on-road diesel pickups were operated on a mixture of 20% Biodiesel and 80% diesel for 80,000 kilometers (km). The engines were unmodified, but modifications were made to the vehicles for the convenience of the test. Fuel mixing was done on-board to extend the driving range to over 5,000 km between Biodiesel fill ups. Chassis dynamometer testing, injector coking, engine compression, injector valve opening pressures, and engine oil analyses were done at regularly scheduled intervals to monitor the engine performance parameters. RME produced 5% less power than D2, while 20RME and 20RAW produced one percent less power than D2. Smoke density was reduced 39% with RME, while 20RME increased 18%, and 20RAW decreased smoke density by 3.1 times that of D2. Emissions tests with a chassis transient dynamometer at the Los Angeles Metropolitan Authority Emissions Test Facility resulted in a decrease in HC (20%), CO (25%), NOx (2.6%), PM (10.9%), and there was no difference in CO{sub 2} with 20 RME compared to D2.
- OSTI ID:
- 287909
- Report Number(s):
- CONF-951210--; ISBN 1-56091-686-9
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
AIR POLLUTION
CARBON DIOXIDE
CARBON MONOXIDE
CLIMATES
COMBUSTION PROPERTIES
DIESEL ENGINES
DIESEL FUELS
ESTERIFICATION
ESTERS
EXPERIMENTAL DATA
FUEL SUBSTITUTION
HYDROCARBONS
NITROGEN OXIDES
PARTICULATES
PERFORMANCE TESTING
PHYSICAL PROPERTIES
TEMPERATURE CONTROL
TRUCKS
VEGETABLE OILS