(CNN Money) – Cheap gas is in abundance this winter.
Average prices have been tumbling toward $2 a gallon in the United States, and many places around the country are already paying less than that.
Still, local prices can vary by a quarter per gallon — that’s about $4 per fill-up.
If you’re looking for the absolute best price, there are dozens of apps that can save you money at the pump. But each has pros and cons.
Here are five of the best.