The present invention provides systems and a method for optimizing the performance of a vehicle towing {HEAD ~ a trailer} consistent with {TAIL ~ certain predetermined criteria} 
consistent with
The present invention provides systems and a method for optimizing the performance of a vehicle towing { HEAD ~ a trailer } consistent with { TAIL ~ certain predetermined criteria }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL