Gas prices are down $1.42 nationwide.
The average price of regular gasoline in the United States fell over a two-week period to $2.72.
Expert analysts say the average price for a gallon of mid-grade was $2.85, premium was at $2.96.
Cheyenne, Wyoming, had the lowest average price among cities surveyed at only $2.45 a gallon for regular.
Honolulu was the highest at $3.32.