-——The final SuperTruck demonstrator ran a five-day, 312-mile round trip route on Texas Interstate 35 between San Antonio and Dallas, at a weight of 65,000 lbs GVWR at a speed of 65 mph, where it achieved an average result of 12.2 mpg.-——
San Antonio to Dallas is a one day round trip...if you are keeping double logs....: )
Why five days.....?
I used to drive I-35 ....nobody drives 65 mph on that highway unless you want to get run off it...
I’m guessing they might have done a few trips there and back and there and back....
5 days X 312 miles per day. 1560 miles