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vtec-e 01-26-2010 07:58 AM

Advanced engine-control system reduces biodiesel fuel consumption and emissions
 
(Courtesy of Physorg.com)
Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when running on biodiesel fuels.
Operating truck engines on a blend of biodiesel and ordinary diesel fuel dramatically reduces the emission of particulate matter, or soot. However, the most modern and efficient diesel engines burning biodiesel emit up to 40 percent more nitrogen oxides at some operating conditions, and fuel economy declines by as much as 20 percent.
Advanced engine-control system reduces biodiesel fuel consumption and emissions


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