The best thing is to SLOWWWW DOWWWWNNNNN.
El Paso TX to.....Fort Gordon GA.....1500 plus miles....
El Paso TX to Midland TX = Legal Speed of 80mpg, drove 80mph and got 14.3mpg....
Rest of trip drove 70mph and averaged 18.4.
Take it for what its worth.
Tim
_________________________
"The tree of liberty must be refreshed from time to time with the blood of patriots and tyrannts."
Thomas Jefferson