1 Census 2010 Race for Effingham County, Illinois. 2  Census 2010 Latino for Effingham County, Illinois. 3  Census 2000 Race for Effingham County, Illinois. 4  Census 2000 Latino for Effingham County, Illinois.  Illinois Voters for Effingham County, Illinois.
On average, a truck traveling at 65 mph instead of 75 mph will experience up to 27-percent improvement in fuel consumption. As a rule of thumb, for every one mile per hour increase in speed, there is a corresponding 0.14 mile-per-gallon (mpg) fuel consumption penalty, says Kedzie.
A good rate of fuel consumption for a loaded semi is around 6 miles per gallon (MPG), so the average semi can run between 1200 and 1800 miles from one fill up.The average fully loaded semi truck weighs 80,000 lbs.Source(s): I own and operate a small trucking company.s for how much fuel they can take on will depend on the size of the fuel tank. I have 2 140gallon tanks which I can use 137 of those gallons. Energy efficent, that I cant answer with certainty but I like to think my truck is.