The average price of gas in Arizona is down more than a cent this week to $3.11 a gallon. For the second straight week, the average price of gas in Flagstaff is unchanged, staying at $3.42 a gallon. Some stations are selling gas for $3.25 and lower. In Prescott, gas prices are down two cents to $3.14 a gallon on average. Some stations are selling gas for $3.02 and lower. The price of crude oil fluctuated this week, due to market optimism in response to the FDA’s news of full approval of the Pfizer COVID-19 vaccine. Gas prices have levelled off, or even lowered in some areas due to the price of crude oil being below $70 a barrel.