Gas prices are falling across the U.S.—but some states are faring better than others. According to the American Automobile Association (AAA), as of Thursday, the national average for gas prices is $3.

The drop puts the average cost at $3.07 per gallon. That is 28 cents lower than this time last month, and it's a staggering 56 cents cheaper than this time last year. Several gas stations in Terre Haute have dropped below the three-dollar mark, according to GasBuddy's Gas Price Map .

"Gas prices are falling because economies around the globe are slowing," finance expert Kevin Thompson told Newsweek.

Gas prices dropped slightly on Friday, with the national average for a gallon of regular gas coming in at $3.22, according to AAA. On Thursday, the average price for a gallon of regular gas was $3.224.

Gas prices snapped six straight weeks of declines in Canada, as the nationwide average for regular fuel added 0.7 cents per litre between Sept. 12 and Sept. 19, according to data from Kalibrate. North Bay,

While gas prices have dipped significantly elsewhere in the U.S., Nevada has yet to see a meaningful drop, according to a transportation expert. The average Las Vegas gas price for a gallon of regular was $3.