Average U.S. Gas Price Tops $4 Per Gallon, 1st Time Since 2008

During the first full week of Russia's invasion of Ukraine, the price of regular gas rose by almost 41 cents, according to AAA.

The price of regular gasoline broke $4 per gallon on average across the U.S. on Sunday for the first time since 2008.

During the first full week of Russia's invasion of Ukraine, the price of regular gas rose by almost 41 cents, according to the AAA motor club.

That represents the second-largest jump in average national prices in a week, GasBuddy reported.