The national average price for a gallon of gasoline could potentially fall below the $2 per gallon benchmark within the next couple of days. Today’s national average is $2 per gallon which is 48 cents less than it was on this date one year ago. AAA expects most U.S. drivers will pay the lowest gas prices on New Year’s Day since 2009. Indiana’s current statewide gas price average is $1.85. At this time last year, that average was $2.31.