The average U.S. price of a gallon of regular-grade gasoline spiked 15 cents over the past three weeks to $3.55 per gallon.
The lowest average is in Houston TX, at $3.05 per gallon.
According to the survey, the average price of diesel is $3.91 a gallon, up 21 cents over three weeks.
The average price in Tennessee is $3.25 per gallon. Locally the average price is $3.30.