Researchers at the University of Wisconsin-Madison say that blending diesel fuel with gasoline can improve diesel engine fuel efficiency by an average of 20% while meeting US government emissions mandates without costly pollution control equipment. While fast-response fuel blending technology would require modification of diesel engines and separate fuel tanks for diesel and gasoline, it would use fuels readily available at the pump today. The blending technology matches the diesel-gasoline ratio to operating conditions. Under heavy loads, such as accelerating or climbing a hill, the fuel mix might go as high as 85% gasoline.
Blending Fuels to Boost Efficiency Alan S Brown Mechanical Engineering; Nov 2009; 131, 11; Docstoc pg. 18 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
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