I think freightliner Cascadia evo has better aerodynamics than what the 587 got. the 587 claim 9.9 mpg (doesn't seems like) and freightliner got 10 mpg (already experimented OTR).
Peterbilt 587. Most fuel efficient truck on the road? 9.9mpg?
Discussion in 'Ask An Owner Operator' started by truckingbizness, Jun 15, 2013.
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