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.
But most importantly, the CVT increases gas mileage in both city and highway driving. Chevrolet says 2014 Spark models with the new CVT will return 30 miles per gallon in the city and 39 mpg on the highway. That's a major improvement over last year's 28 mpg city/37 mpg hwy.