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Fuel economy stays flat last month

March 7, 2016

Gas mileage of new vehicles sold in the U.S. remained unchanged during February, say researchers at the University of Michigan Transportation Research Institute.
 
The average fuel economy (window-sticker value) of new vehicles sold last month was 25.2 mpg—the same as January's revised figure. 
 
Overall, fuel economy is down 0.6 mpg from the peak reached in August 2014, but still up 5.1 mpg from October 2007—the first full month of monitoring by Michael Sivak and colleague Brandon Schoettle
 
In addition to average fuel economy, Sivak and Schoettle issued a monthly update of their national Eco-Driving Index, which estimates the average monthly emissions generated by an individual U.S. driver. The EDI takes into account both the fuel used per distance driven and the amount of driving—the latter relying on data that are published with a two-month lag. 
 
During December, the EDI increased to its worst level in four years to 0.85 (the lower the value, the better) from a mark of 0.82 in November. The index currently shows emissions of greenhouse gases per driver of newly purchased vehicles are down 15 percent, overall, since October 2007—but 7 percent higher than the record low reached in August 2014.