Thread: "Big rigs will have to slash fuel consumption by 23 percent".
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Old 08-12-2011, 02:18 PM   #67 (permalink)
oil pan 4
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Quote:
Originally Posted by p38fln View Post
Also, a big rig (from my own experimentation) gets about the best fuel economy at 55 MPH, dropping sharply off above 60. Of course...
Same thing happens to me with my diesel suburban, anything much over 60-65 mph and fuel milage drops fast.
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