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are aerodynamic trailers cheaper to tow than boxy ones?
(michael westhoff/getty images) ask any long-haul trucker, one whose livelihood depends on squeezing every last mile from every last drop of diesel, and he'll tell you this: an aerodynamic trailer is more fuel-efficient and therefore cheaper to tow than a big, square box on wheels. but the trucker has...
https://auto.howstuffworks.com/auto-parts/towing/aerodynamic-trailers-cheaper-to-tow.htm