The average price of a gallon of gasoline dropped ten cents over the past three weeks.

That's according to the Lundberg Survey of Fuel Prices, which puts the price of a gallon of regular at $3.38.

In Tennessee, gas is averaging around $3.10 a gallon. That's according to gasbuddy.com. And, across the state line in Virginia, gas is a little more expensive at $3.18 a gallon.