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Big Rig Boattail can cut fuel consumption by 2 percent

Scania has begun practical tests of a rear air deflector known as a boat-tail, which can reduce fuel consumption by up to 2 percent, which corresponds to an annual saving of 317 gallons of diesel fuel for a truck running 125,000 miles per year. The boat-tail is mounted on a normal three-axle semitrailer for European long-haulage. The length of the vehicle combination increases by 30 cm, which is equivalent to the extra length permitted for a taillift or other loading equipment according to the European Union Trucking Industry Directives.

Big Rig Boattail can  cut fuel consumption by 2 percent
xcel, Sep 16, 2010
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