Not Ranked
A V nosed traler will cause a lot of side thrust with cross winds or meeting/passing semis--
A bubble nose does smooth out the airflow at the corners of the trailer
If you have a cab high camper shell you don't need anything on the trailer
My f350 gets 17mpg at below 75 with a 44 ft triple axle featherlie goose neck-above that the clutch fan kicks in and milage slides down the scale
hope you don't have a four wheel drive!!!!!!!!!
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