A fairing 1, wherein said fairing sections extend longitudinally, in {HEAD ~ said lowered position}, between said {TAIL ~ selected position} and a second position rearward of a tractor wheel assembly of a tractor coupled to said trailer 
between
A fairing 1 , wherein said fairing sections extend longitudinally , in { HEAD ~ said lowered position } , between said { TAIL ~ selected position } and a second position rearward of a tractor wheel assembly of a tractor coupled to said trailer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH