Since 2008, the national average for a gallon of gas has reached its highest price at $4.

• Gas prices surged to the highest level since 2008 on Sunday.
• Since 2008, the highest national average for a gallon of gas has been recorded at $4.009, according to AAA.
• According to Andy Lipow, president of Lipow Oil Associates, the national average will likely reach $4.50 per gallon.

On Sunday, gasoline prices reached their highest point since 2008 due to crude oil supply concerns resulting from Russia's conflict in Ukraine, affecting consumers at the pump.

On Sunday, the national average for a gallon of gas reached $4.009, according to AAA, marking the highest price since July 2008, unadjusted for inflation. Prices have been increasing rapidly, with consumers now paying 40 cents more than a week ago and 57 cents more than a month ago.

Now, California's average gallon of gas costs $5.288, which is significantly higher than in some other places.

The increase in oil prices due to Russia's conflict in Ukraine has led to a rise in gas prices for consumers, with U.S. oil prices reaching their highest levels since 2008.

Russia's oil and gas production and export have been significantly impacted by Western sanctions, as buyers are avoiding Russian products. JPMorgan estimates that 66% of Russian oil is struggling to find buyers, leading to supply fears in an already tight market.

The national average for a gallon of oil is predicted to reach $4.50, according to Andy Lipow, president of Lipow Oil Associates, as energy complex disruptions continue to spread.

Russian refineries are shutting down due to reduced purchases of refined products from oil buyers, dockworkers are refusing to unload vessels carrying oil and gas, insurance rates are skyrocketing, vessel owners are cancelling ship bookings loading in Russia, and this is also affecting Kazakhstan's ability to sell their oil.

The rise in gas prices is fueling inflation concerns in the economy. The Biden administration has been working to lower gas prices for months, and in the fall they tapped the Strategic Petroleum Reserve. Despite this, gas prices have increased significantly, prompting some to urge the administration to temporarily suspend the federal gas tax.