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TechNews - USA - Experimental device that might increase fuel efficiency
USA -Road King -14 Feb 2006: -- It doesn’t look revolutionary, but a new device developed at Clarkson University has the potential to have a big impact on the trucking industry... “Traditional transport vehicles have a flat aft end that creates a large drag on the vehicle at high speeds, which ultimately reduces gas mileage and increases costs and emissions,” says Ken Visser, associate professor of Aeronauatical and Mechanical Engineering. “We have designed extendable flat plates that can be mounted to the truck’s rear doors to reduce drag”... The apparatus looks like a set of second doors when closed, and opens out to a boxlike structure. Their data, based on road testing, indicates that the device will save about one-half mile per gallon, or 10 percent. That can lead to thousands of dollars in savings per year for a truck that travels 150,000 miles...
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