Thread: Why are tractor-trailer rig so much more fuel efficient
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Old 10-01-2008, 02:18 AM   #74 (permalink)
jamesqf
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Quote:
Originally Posted by Unforgiven View Post
...why cannot cars get 80mpg if the tractor-trailer can get 5-7 mpg.
Mine does :-) On a good day, anyway.
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