“Americans are burning an average of 8.2 million barrels — 344 million gallons — of gasoline per day in 2010, a figure that excludes the ethanol blended into gasoline. That’s 8% less than at the 2006 peak, according to government data.”

http://www.usatoday.com/money/industries/energy/2010-12-21-gasoline-demand_N.htm