A national survey shows gas prices across the nation dropped to less than $2 a gallon for the first time since March 2005.
The average price of a gallon of regular gasoline at self-serve stations was $1.97 Friday, falling 33 cents over the last two weeks. Mid-grade was at $2.12 and premium was at $2.24.
That's according to the Lundberg Survey of 5,000 gas stations nationwide, released Sunday.
Diesel was at $2.93, the first time it fell below $3 per gallon since September 2007.
Gas was cheapest in St. Louis, at $1.89 for a gallon of regular. It was most expensive in Honolulu, at $2.81.