Don't spill any. It's expensive. Ben Margot/AP hide caption toggle caption Ben Margot/AP The Two-Way Pained By Prices At The Pump? They're Likely To Go Even Higher January 6, 2012 The U.S. average price for a gallon of gas was a record $3.513 in 2011. Stronger demand, tensions with Iran and other factors are expected to push the average up further in 2012.