The systems and {HEAD ~ method} are configured to maintain a constant towing load on the towing vehicle as well as optimizing {TAIL ~ other performance criteria} such as fuel efficiency 
The systems and { HEAD ~ method } are configured to maintain a constant towing load on the towing vehicle as well as optimizing { TAIL ~ other performance criteria } such as fuel efficiency
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH