Study on biodiesel blends used in engines

I found a journal article that studied the effect of biodiesel on the environment and its performance and emissions of engines from waste cooking oil. Biodiesel is typically produced through the reaction of a vegetable oil or animal fat with methanol in the presence of a catalyst to yield biodiesel and a glycerin co-product, this reaction is called transesterfication. Virtually all of the biodiesel used and produced in the U.S. to date has been made by this process. Biodiesel can be used alone (B100) or blended with petroleum diesel in any proportion. In this study two engines were fueled with a biodiesel and diesel blend (B50 and B20). B50 refers to 50% diesel and 50% biodiesel blend and B20 is a 80/20 diesel/biodiesel blend. The results showed that using that blends there was an increase in fuel consumption by 8% and a drop in power by 3%, compared with 100% diesel. Also, with the blends they found a decrease in emissions of smoke, HC, CO and PM. Overall, this study helped support that use of biodiesel as an alternative fuel source. It is better for your engine and better for our environment.


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