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Xin Lu of Wise Bread points out some uncommon wisdom: Driving behind large trucks, and taking advantage of something called "drafting," can save you up to 10 percent on gas.
The science behind drafting, she explains, is closely related to why driving slower saves you energy. "Basically, you have less air resistance in front of your car if a big truck has already passed through the air and your car is in the tunnel or 'slipstream' behind it," she writes. "A truck also blocks some of the air rushing at you."
The daredevils on Discovery's Mythbusters demonstrated that if you followed a big rig by 100 feet, you could decrease your fuel consumption by 11 percent. The intrepid duo pushed the envelope further by following a truck at only 10 feet--a dangerous maneuver we don't recommend viewers try at home!--and managed to decreased their gas consumption by 40 percent. ::WiseBread
Difficulty level: Easy
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