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Why are tractor-trailer rig so much more fuel efficient
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09-05-2008, 12:05 PM
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Brian03cav
EcoModding Lurker
Join Date: Aug 2008
Location: Exton PA
Posts: 35
Whitey
- '03 Chevrolet Cavalier base
90 day:
37.01
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if i were to guess i'd say it has to do with the gearing. along with that the motors never really work too hard, maybe 3,000rpm max? that is just a guess i know its not very high though.
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