Rochester, N.Y. - Gas prices have been getting lower lately, but experts say it's a trend that could end abruptly.
The national average has fallen about 7 cents over the last three weeks.
However, oil prices are spiking and Iran has renewed threats to close the Strait of Hormuz which is a critical route for worldwide oil shipments.
Nationally, drivers are paying $3.42 on average for a gallon of regular gas.
