WHAT? YOU’LL NOTICE THOSE HEADLIGHTS THAT ARE FACING US. THAT IS A BIG RIG PERPENDICULAR TO I-5, BLOCKING THE NUMBER ONE LANE. NOW TAKE A LOOK AT THIS VIDEO. BECAUSE WE WERE ACTUALLY DRIVING ...
Anyway, they found drafting increases your miles per gallon up to 39 percent at 10 feet distance away from a big rig. At two feet apart however, they found miles per gallon actually went down.
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