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Why is Accurate Blending Important? - Poorly blended biodiesel may stratify into various viscous membranes. In colder weathers, the thicker membranes of the fuel can congeal and plug fuel lines [link widoczny dla zalogowanych], injectors alternatively filters [link widoczny dla zalogowanych], stopping an engine. Federal and state tariff incentives are based ashore the measure of biofuel placed in the mall. Companies namely over report the amount of biofuel present in one notified mixture vanquish the purpose of the impose honor and decrease administration revenues. Biofuel advocates are cared that inaccurate blending and poor reception reports will dwindle purchaser trust in their fledging manufacture.
Researchers from Woods Hole Oceanographic Institution (WHOI) have base that biodiesel fuels purchased from many small distributors are inaccurately blended and don't contain the specified amount of biofuel.
In a statement announcing the release of the learn, Woods Hole Marine Chemist Chris Reddy says, "Biodiesel is a great product if used properly, and it could rotate out to be an momentous choice fuel. There is a lot of nice emotion about biodiesel, yet if we are going to sell it, we have to make sure what is being sold is accurately arranged. It is a material of credibility and consumer confidence."
Reddy's research team accustomed accurate radiocarbon measurements to make sure the essay of biofuel blends. Petroleum derived fuel contains no radiocarbon making accurate measurement of the remaining biofuel equilibrium cozy. This means namely promising too priceless as use as a customary assistance in biofuel blending.
Crude oil has surpassed $100 per barrel and biodiesel is immediately cheaper to purchase than conventional diesel fuel in some locales. Agencys like NOAA have started green ship initiatives. The biodiesel industry is concerned almost public prescience for their products and they are working to control the blending problem. Reddy and his colleagues report is creature issued by the periodical Environmental Science and Technology in April of 2008.
What is Biodiesel? - Biodiesel is a chemically treated medley made of vegetable fuel and beast fat. Unadulterated or pure biodiesel fuel is labeled by the pumps as B100. A usually sold blend of 20 percent biofuel and 80 percent normal diesel fuel understood as B20. Biofuel advocates promote the product on the root of its reduced pollution and toxicity.
Is There a Common Standard for Biodiesel? - Nationally, there is no enforceable standard for blending biodiesel. The present BQ-9000 biodiesel certification agenda standards in place are strictly voluntary. Earlier studies point out that larger fuel distributors even have a hard time correctly blending the new manner fuel.
Read on
Today's Marine Fuel Choices
Biodiesel as Alternative Green Energy
Straight Vegetable Oil vs. Biodiesel
While studying the effects of biodiesel on the maritime surroundings, Reddy and his fellow researchers found that there was broad variation in the precision of blends sold by a dozen different retailers. A biofuel scope of 10 to 74 percent was found present in fuel labeled B20 [link widoczny dla zalogowanych], with merely 10 percent of the specimens falling within standards set by the Department of Defense.